A steady trickle of Central American migrants have been finding ways to climb over, tunnel under or slip through the U.S. border wall to plant their feet on U.S. soil and ask for asylum.

In recent weeks, Honduran migrant Joel Mendez fed his 8-month-old son, Daniel, before handing him over to his partner, Yesenia Martinez, who had crawled through a hole in the rain-softened soil under the wall.

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Yesenia Martinez, 24, reaches back from the San Diego, California side of the U.S. border wall to get her baby's bottle, after crossing underneath from Tijuana, Mexico, Friday, Dec. 7, 2018. Martinez is among a wave of Central Americans getting past the imposing barrier between Mexico and California and expediting their asylum claims by readily handing themselves over to U.S. agents. (AP PhotoRebecca Blackwell)

A steady trickle of Central American migrants have been finding ways to climb over, tunnel under or slip through the U.S. border wall to plant their feet on U.S. soil and ask for asylum.

Honduran migrant Joel Mendez, 22, passes his eight-month-old son Daniel through a hole under the U.S. border wall to his partner, Yesenia Martinez, 24, who had already crossed in Tijuana, Mexico, Friday, Dec. 7, 2018. Moments later Martinez surrendered to waiting border guards while Mendez stayed behind in Tijuana to work, saying he feared he'd be deported if he crossed. (AP PhotoRebecca Blackwell)

They all sought to skip the long official wait on the Mexico side for filing asylum claim with the U.S. by getting over the wall and handing themselves over to U.S. agents. Last week, U.S. Customs and Border Protection said the San Diego sector had experienced a "slight uptick" in families entering the U.S. illegally with the goal of seeking asylum.

In a photo taken from Playas of Tijuana, Mexico, Honduran migrants climb over a section of the U.S. border fence before handing themselves in to border control agents, Sunday, Dec. 2, 2018. A steady trickle of Central American migrants have been finding ways to climb over, tunnel under or slip through the U.S. border wall to plant their feet on U.S. soil and ask for asylum. (AP PhotoRebecca Blackwell)

Over two nights last week, Associated Press journalists saw more than a dozen migrants taking the risk. A woman wearing a blue-beaded rosary waited with her children to see where they could cross. A Salvadoran migrant hid as he dug a hole in the sand under the wall. In the dark of night, migrants could be seen walking up a hill inside U.S. territory toward agents waiting to detain them.

A Central American migrant lowers herself down from atop the border wall onto the U.S. side, after crossing in Playas of Tijuana, Mexico, late Monday, Dec. 3, 2018. By word of mouth, some migrants have realized they can simply cross into U.S. territory, largely uninhibited by Mexican authorities, and turn themselves into U.S. border patrol agents as a way to apply for asylum. (AP PhotoRebecca Blackwell)

A Central American migrant lowers herself down from atop the border wall onto the U.S. side, after crossing in Playas of Tijuana, Mexico, late Monday, Dec. 3, 2018. By word of mouth, some migrants have realized they can simply cross into U.S. territory, largely uninhibited by Mexican authorities, and turn themselves into U.S. border patrol agents as a way to apply for asylum. (AP PhotoRebecca Blackwell)

Honduran migrant Leivi Ortega, 22, wearing a rosary, looks at her phone while she, her partner and their young daughter, wait in hopes of finding an opportunity to cross the U.S. border from Playas de Tijuana, Mexico, Wednesday, Dec. 5, 2018. In early December, U.S. Customs and Border Protection said that the San Diego sector experienced a "slight uptick" in families entering the U.S. illegally with the goal of seeking asylum. (AP PhotoRebecca Blackwell)

Honduran migrant Leivi Ortega, 22, wearing a rosary, looks at her phone while she, her partner and their young daughter, wait in hopes of finding an opportunity to cross the U.S. border from Playas de Tijuana, Mexico, Wednesday, Dec. 5, 2018. In early December, U.S. Customs and Border Protection said that the San Diego sector experienced a "slight uptick" in families entering the U.S. illegally with the goal of seeking asylum. (AP PhotoRebecca Blackwell)

A Honduran migrant helps a young girl cross to the American side of the border wall, in Tijuana, Mexico, Sunday, Dec. 2, 2018. In November, President Donald Trump issued a proclamation suspending asylum rights for people who try to cross into the U.S. illegally from Mexico, although a divided U.S. appeals court has refused to immediately allow the Trump administration to enforce the ban. (AP PhotoRamon Espinosa)

A Honduran migrant helps a young girl cross to the American side of the border wall, in Tijuana, Mexico, Sunday, Dec. 2, 2018. In November, President Donald Trump issued a proclamation suspending asylum rights for people who try to cross into the U.S. illegally from Mexico, although a divided U.S. appeals court has refused to immediately allow the Trump administration to enforce the ban. (AP PhotoRamon Espinosa)

A Honduran migrant walks with his son in his arms after jumping the U.S. border wall with plans to turn himself over to U.S. border patrol agents in order to apply for asylum, seen from Tijuana, Mexico, Thursday, Nov. 29, 2018. In twos or threes, or sometimes by the dozen, migrants arrive at the U.S. border wall and manage to cross over. (AP PhotoRamon Espinosa)

A Honduran migrant walks with his son in his arms after jumping the U.S. border wall with plans to turn himself over to U.S. border patrol agents in order to apply for asylum, seen from Tijuana, Mexico, Thursday, Nov. 29, 2018. In twos or threes, or sometimes by the dozen, migrants arrive at the U.S. border wall and manage to cross over. (AP PhotoRamon Espinosa)

A woman climbs the U.S. border wall, planning to surrender to U.S. Border Patrol agents and apply for asylum, as she crosses from Playas de Tijuana, Mexico, Monday, Dec. 3, 2018. Often within minutes, border guards quickly arrive to escort migrants to detention centers and begin "credible fear" interviews. (AP PhotoRebecca Blackwell)

A woman climbs the U.S. border wall, planning to surrender to U.S. Border Patrol agents and apply for asylum, as she crosses from Playas de Tijuana, Mexico, Monday, Dec. 3, 2018. Often within minutes, border guards quickly arrive to escort migrants to detention centers and begin "credible fear" interviews. (AP PhotoRebecca Blackwell)

Yesenia Martinez, 24, carries her eight-month-old son Daniel as she looks for a place to cross the U.S. border wall to surrender to border patrol and request asylum, in Tijuana, Mexico, Friday, Dec. 7, 2018. Martinez surrendered to waiting border guards while her partner Joel Mendez stayed behind in Tijuana to work, saying he feared he'd be deported if he crossed. (AP PhotoRebecca Blackwell)

Yesenia Martinez, 24, carries her eight-month-old son Daniel as she looks for a place to cross the U.S. border wall to surrender to border patrol and request asylum, in Tijuana, Mexico, Friday, Dec. 7, 2018. Martinez surrendered to waiting border guards while her partner Joel Mendez stayed behind in Tijuana to work, saying he feared he'd be deported if he crossed. (AP PhotoRebecca Blackwell)

Salvadoran migrant Cesar Jobet, right, and Daniel Jeremias Cruz hide from U.S. border agents after they dug a hole in the sand under the border wall and crossed over to the U.S. side, in Playas de Tijuana, Mexico, Friday, Nov. 30, 2018. When the two youths were detected by agents they ran back to the Mexican side. (AP PhotoRamon Espinosa)

Salvadoran migrant Cesar Jobet, right, and Daniel Jeremias Cruz hide from U.S. border agents after they dug a hole in the sand under the border wall and crossed over to the U.S. side, in Playas de Tijuana, Mexico, Friday, Nov. 30, 2018. When the two youths were detected by agents they ran back to the Mexican side. (AP PhotoRamon Espinosa)

Central American migrants planning to surrender to U.S. border patrol agents climb over the U.S. border wall from Playas de Tijuana, Mexico, late Monday, Dec. 3, 2018. Thousands of migrants are living in crowded tent cities in the Mexican city of Tijuana after undertaking a grueling, weeks-long journey to the U.S. border. (AP PhotoRebecca Blackwell)

Central American migrants planning to surrender to U.S. border patrol agents climb over the U.S. border wall from Playas de Tijuana, Mexico, late Monday, Dec. 3, 2018. Thousands of migrants are living in crowded tent cities in the Mexican city of Tijuana after undertaking a grueling, weeks-long journey to the U.S. border. (AP PhotoRebecca Blackwell)

A woman holding a baby peers through the U.S. border fence as she tries to reach a point where scores of migrants have been crossing in recent days, now blocked by private security, in Playas de Tijuana, Mexico, Wednesday, Dec. 5, 2018. Legal groups argue that federal law states that immigrants can apply for asylum no matter how they enter U.S. territory. (AP PhotoRebecca Blackwell)

A woman holding a baby peers through the U.S. border fence as she tries to reach a point where scores of migrants have been crossing in recent days, now blocked by private security, in Playas de Tijuana, Mexico, Wednesday, Dec. 5, 2018. Legal groups argue that federal law states that immigrants can apply for asylum no matter how they enter U.S. territory. (AP PhotoRebecca Blackwell)

A woman and child migrant start up a hill in San Ysidro, California after climbing over the U.S. border wall from Playas de Tijuana, Mexico, where many migrants expecting to surrender to U.S. border guards were crossing, Monday, Dec. 3, 2018. Discouraged by long waits at ports of entry and sometimes fearing for their lives, migrants are loath to accept the alternative. (AP PhotoRebecca Blackwell)

A woman and child migrant start up a hill in San Ysidro, California after climbing over the U.S. border wall from Playas de Tijuana, Mexico, where many migrants expecting to surrender to U.S. border guards were crossing, Monday, Dec. 3, 2018. Discouraged by long waits at ports of entry and sometimes fearing for their lives, migrants are loath to accept the alternative. (AP PhotoRebecca Blackwell)

A group of young people hoisted themselves over the wall to San Ysidro, California, hoping that their ticket to a better life was finally within reach. One migrant offered a hand to help the others jumping down onto U.S. territory.

Yesenia Martinez, 24, reaches back from the San Diego, California side of the U.S. border wall to get her baby's bottle, after crossing underneath from Tijuana, Mexico, Friday, Dec. 7, 2018. Martinez is among a wave of Central Americans getting past the imposing barrier between Mexico and California and expediting their asylum claims by readily handing themselves over to U.S. agents. (AP PhotoRebecca Blackwell)

Yesenia Martinez, 24, reaches back from the San Diego, California side of the U.S. border wall to get her baby's bottle, after crossing underneath from Tijuana, Mexico, Friday, Dec. 7, 2018. Martinez is among a wave of Central Americans getting past the imposing barrier between Mexico and California and expediting their asylum claims by readily handing themselves over to U.S. agents. (AP PhotoRebecca Blackwell)

They all sought to skip the long official wait on the Mexico side for filing asylum claim with the U.S. by getting over the wall and handing themselves over to U.S. agents. Last week, U.S. Customs and Border Protection said the San Diego sector had experienced a "slight uptick" in families entering the U.S. illegally with the goal of seeking asylum.

Thousands of migrants are living in crowded tent cities in Tijuana after undertaking a grueling journey from Central America to the U.S. border. A large number have decided to make new lives in Mexico, applying for work permits and taking jobs at local factories while they wait as the U.S. government processes about 100 asylum requests a day at the San Ysidro crossing, the United States' busiest.

But by word of mouth, some have realized they can simply cross into U.S. territory, largely uninhibited by Mexican authorities. In twos or threes — occasionally by the dozen — they arrive at the border wall and manage to get over. Often within minutes, border officers quickly arrive to escort them to detention centers and begin "credible fear" interviews.

Honduran migrant Joel Mendez, 22, passes his eight-month-old son Daniel through a hole under the U.S. border wall to his partner, Yesenia Martinez, 24, who had already crossed in Tijuana, Mexico, Friday, Dec. 7, 2018. Moments later Martinez surrendered to waiting border guards while Mendez stayed behind in Tijuana to work, saying he feared he'd be deported if he crossed. (AP PhotoRebecca Blackwell)

Honduran migrant Joel Mendez, 22, passes his eight-month-old son Daniel through a hole under the U.S. border wall to his partner, Yesenia Martinez, 24, who had already crossed in Tijuana, Mexico, Friday, Dec. 7, 2018. Moments later Martinez surrendered to waiting border guards while Mendez stayed behind in Tijuana to work, saying he feared he'd be deported if he crossed. (AP PhotoRebecca Blackwell)

Over two nights last week, Associated Press journalists saw more than a dozen migrants taking the risk. A woman wearing a blue-beaded rosary waited with her children to see where they could cross. A Salvadoran migrant hid as he dug a hole in the sand under the wall. In the dark of night, migrants could be seen walking up a hill inside U.S. territory toward agents waiting to detain them.

In a photo taken from Playas of Tijuana, Mexico, Honduran migrants climb over a section of the U.S. border fence before handing themselves in to border control agents, Sunday, Dec. 2, 2018. A steady trickle of Central American migrants have been finding ways to climb over, tunnel under or slip through the U.S. border wall to plant their feet on U.S. soil and ask for asylum. (AP PhotoRebecca Blackwell)

In a photo taken from Playas of Tijuana, Mexico, Honduran migrants climb over a section of the U.S. border fence before handing themselves in to border control agents, Sunday, Dec. 2, 2018. A steady trickle of Central American migrants have been finding ways to climb over, tunnel under or slip through the U.S. border wall to plant their feet on U.S. soil and ask for asylum. (AP PhotoRebecca Blackwell)

A Central American migrant lowers herself down from atop the border wall onto the U.S. side, after crossing in Playas of Tijuana, Mexico, late Monday, Dec. 3, 2018. By word of mouth, some migrants have realized they can simply cross into U.S. territory, largely uninhibited by Mexican authorities, and turn themselves into U.S. border patrol agents as a way to apply for asylum. (AP PhotoRebecca Blackwell)

A Central American migrant lowers herself down from atop the border wall onto the U.S. side, after crossing in Playas of Tijuana, Mexico, late Monday, Dec. 3, 2018. By word of mouth, some migrants have realized they can simply cross into U.S. territory, largely uninhibited by Mexican authorities, and turn themselves into U.S. border patrol agents as a way to apply for asylum. (AP PhotoRebecca Blackwell)

Honduran migrant Leivi Ortega, 22, wearing a rosary, looks at her phone while she, her partner and their young daughter, wait in hopes of finding an opportunity to cross the U.S. border from Playas de Tijuana, Mexico, Wednesday, Dec. 5, 2018. In early December, U.S. Customs and Border Protection said that the San Diego sector experienced a "slight uptick" in families entering the U.S. illegally with the goal of seeking asylum. (AP PhotoRebecca Blackwell)

Honduran migrant Leivi Ortega, 22, wearing a rosary, looks at her phone while she, her partner and their young daughter, wait in hopes of finding an opportunity to cross the U.S. border from Playas de Tijuana, Mexico, Wednesday, Dec. 5, 2018. In early December, U.S. Customs and Border Protection said that the San Diego sector experienced a "slight uptick" in families entering the U.S. illegally with the goal of seeking asylum. (AP PhotoRebecca Blackwell)

A Honduran migrant helps a young girl cross to the American side of the border wall, in Tijuana, Mexico, Sunday, Dec. 2, 2018. In November, President Donald Trump issued a proclamation suspending asylum rights for people who try to cross into the U.S. illegally from Mexico, although a divided U.S. appeals court has refused to immediately allow the Trump administration to enforce the ban. (AP PhotoRamon Espinosa)

A Honduran migrant helps a young girl cross to the American side of the border wall, in Tijuana, Mexico, Sunday, Dec. 2, 2018. In November, President Donald Trump issued a proclamation suspending asylum rights for people who try to cross into the U.S. illegally from Mexico, although a divided U.S. appeals court has refused to immediately allow the Trump administration to enforce the ban. (AP PhotoRamon Espinosa)

A Honduran migrant walks with his son in his arms after jumping the U.S. border wall with plans to turn himself over to U.S. border patrol agents in order to apply for asylum, seen from Tijuana, Mexico, Thursday, Nov. 29, 2018. In twos or threes, or sometimes by the dozen, migrants arrive at the U.S. border wall and manage to cross over. (AP PhotoRamon Espinosa)

A Honduran migrant walks with his son in his arms after jumping the U.S. border wall with plans to turn himself over to U.S. border patrol agents in order to apply for asylum, seen from Tijuana, Mexico, Thursday, Nov. 29, 2018. In twos or threes, or sometimes by the dozen, migrants arrive at the U.S. border wall and manage to cross over. (AP PhotoRamon Espinosa)

A woman climbs the U.S. border wall, planning to surrender to U.S. Border Patrol agents and apply for asylum, as she crosses from Playas de Tijuana, Mexico, Monday, Dec. 3, 2018. Often within minutes, border guards quickly arrive to escort migrants to detention centers and begin "credible fear" interviews. (AP PhotoRebecca Blackwell)

A woman climbs the U.S. border wall, planning to surrender to U.S. Border Patrol agents and apply for asylum, as she crosses from Playas de Tijuana, Mexico, Monday, Dec. 3, 2018. Often within minutes, border guards quickly arrive to escort migrants to detention centers and begin "credible fear" interviews. (AP PhotoRebecca Blackwell)

Yesenia Martinez, 24, carries her eight-month-old son Daniel as she looks for a place to cross the U.S. border wall to surrender to border patrol and request asylum, in Tijuana, Mexico, Friday, Dec. 7, 2018. Martinez surrendered to waiting border guards while her partner Joel Mendez stayed behind in Tijuana to work, saying he feared he'd be deported if he crossed. (AP PhotoRebecca Blackwell)

Yesenia Martinez, 24, carries her eight-month-old son Daniel as she looks for a place to cross the U.S. border wall to surrender to border patrol and request asylum, in Tijuana, Mexico, Friday, Dec. 7, 2018. Martinez surrendered to waiting border guards while her partner Joel Mendez stayed behind in Tijuana to work, saying he feared he'd be deported if he crossed. (AP PhotoRebecca Blackwell)

Salvadoran migrant Cesar Jobet, right, and Daniel Jeremias Cruz hide from U.S. border agents after they dug a hole in the sand under the border wall and crossed over to the U.S. side, in Playas de Tijuana, Mexico, Friday, Nov. 30, 2018. When the two youths were detected by agents they ran back to the Mexican side. (AP PhotoRamon Espinosa)

Salvadoran migrant Cesar Jobet, right, and Daniel Jeremias Cruz hide from U.S. border agents after they dug a hole in the sand under the border wall and crossed over to the U.S. side, in Playas de Tijuana, Mexico, Friday, Nov. 30, 2018. When the two youths were detected by agents they ran back to the Mexican side. (AP PhotoRamon Espinosa)

Central American migrants planning to surrender to U.S. border patrol agents climb over the U.S. border wall from Playas de Tijuana, Mexico, late Monday, Dec. 3, 2018. Thousands of migrants are living in crowded tent cities in the Mexican city of Tijuana after undertaking a grueling, weeks-long journey to the U.S. border. (AP PhotoRebecca Blackwell)

Central American migrants planning to surrender to U.S. border patrol agents climb over the U.S. border wall from Playas de Tijuana, Mexico, late Monday, Dec. 3, 2018. Thousands of migrants are living in crowded tent cities in the Mexican city of Tijuana after undertaking a grueling, weeks-long journey to the U.S. border. (AP PhotoRebecca Blackwell)

A woman holding a baby peers through the U.S. border fence as she tries to reach a point where scores of migrants have been crossing in recent days, now blocked by private security, in Playas de Tijuana, Mexico, Wednesday, Dec. 5, 2018. Legal groups argue that federal law states that immigrants can apply for asylum no matter how they enter U.S. territory. (AP PhotoRebecca Blackwell)

A woman holding a baby peers through the U.S. border fence as she tries to reach a point where scores of migrants have been crossing in recent days, now blocked by private security, in Playas de Tijuana, Mexico, Wednesday, Dec. 5, 2018. Legal groups argue that federal law states that immigrants can apply for asylum no matter how they enter U.S. territory. (AP PhotoRebecca Blackwell)

A woman and child migrant start up a hill in San Ysidro, California after climbing over the U.S. border wall from Playas de Tijuana, Mexico, where many migrants expecting to surrender to U.S. border guards were crossing, Monday, Dec. 3, 2018. Discouraged by long waits at ports of entry and sometimes fearing for their lives, migrants are loath to accept the alternative. (AP PhotoRebecca Blackwell)

A woman and child migrant start up a hill in San Ysidro, California after climbing over the U.S. border wall from Playas de Tijuana, Mexico, where many migrants expecting to surrender to U.S. border guards were crossing, Monday, Dec. 3, 2018. Discouraged by long waits at ports of entry and sometimes fearing for their lives, migrants are loath to accept the alternative. (AP PhotoRebecca Blackwell)