When the Trump administration paved the way for Venezuelan opposition leader Juan Guaido to name a new board to run the U.S. affiliate of Venezuela's state oil company, it was a rare glimmer of hope for the American families of six oil executives jailed for over a year without a trial in the politically turbulent South American nation.

But a month later, the families complain they are still being left to fend for themselves as much as ever by the men's employer, Houston-based Citgo, which until the takeover had been the U.S. subsidiary of the Venezuelan oil giant known as PDVSA.

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FILE - In this Feb. 15, 2019 file photo, wearing T-shirts with the message "Free the Citgo 6," the Vadell family poses for a photo in Katy, Texas. From left are Hayes Weggeman, his wife Veronica Vadell, his mother-in-law Dennysse Vadell and sister-in-law Cristina Vadell. Dennysse's husband and her daughter's father Tomeu, a Citgo executive, has spent 15 months jailed in Venezuela along with five other Citgo executives on what their families say are trumped-up corruption charges. (AP PhotoJohn L Mone, File)

When the Trump administration paved the way for Venezuelan opposition leader Juan Guaido to name a new board to run the U.S. affiliate of Venezuela's state oil company, it was a rare glimmer of hope for the American families of six oil executives jailed for over a year without a trial in the politically turbulent South American nation.

FILE - In this Feb. 15, 2019 file photo, Sergio Cardenas holds a picture of himself with his father Gustavo as he sits on the lap of his mother Maria Elena Cardenas, Gustavo's wife, at their home in Katy, Texas. Gustavo, a Citgo executive, has been held in detention by the Venezuelan government along with five other Citgo employees since November of 2017, but their preliminary hearing has been postponed 12 times, leaving the families to question whether their loved ones are being held as pawns in a high-stakes political negotiation. The next hearing date is Wednesday, Feb. 20, 2019. (AP PhotoJohn L Mone, File)

Their travail began the weekend before Thanksgiving in 2017, when the six executives got a call from the head of PDVSA summoning them to Caracas for a last-minute budget meeting. Once there, armed and masked security agents burst into a conference room and arrested them on embezzlement charges stemming from a never-executed proposal to refinance some $4 billion in Citgo bonds by offering a 50 percent stake in the company as collateral. Maduro himself accused them of "treason," though they have not been charged with that crime.

FILE - In this Feb.15, 2019 file photo, Sergio Cardenas, whose father Gustavo is being held in a Venezuelan jail along with five other Citgo executives since November 2017, holds a necklace emblazoned with a logo "Free the Citgo 6," as he poses for a photo outside his home in Katy, Texas. Sergio, who suffers from a rare metabolic disease called mucolipidosis that stunted his physical growth, visited his father for two hours at a Caracas jail, after he was taken there by his mother who fears their son could die before his father's release. (AP PhotoJohn L Mone, File)

Now, the families feel snubbed by Maduro's opponents as well.

FILE - This file photo combo shows Citgo executive Tomeu Vadell at his home in Lake Charles, Louisiana in July 2015, left, and three and a half years later while in confinement in a Venezuelan jail in January 2019. Vadell's family says he's lost more than 60 pounds due to malnutrition since he and five other Citgo employees were arrested, for alleged embezzlement and treason, during a meeting at Venezuela's state oil company PDVSA the weekend before Thanksgiving in 2017. The photo at left was provided by Tomeu's daughter Cristina, and the photo at right was obtained by The Associated Press. (Cristina Vadell via AP, left, and AP photo, right, File)

Citgo did not reply to a request for comment.

This photo shows an Feb. 26, 2019 letter provided by Cristina Vadell to The Associated Press asking the chairwoman of CITGO for assistance by the families of American oil executives jailed for 16 months in Venezuela without a trial. The pleas for assistance have gone unanswered from the Houston-based employer’s new management—despite CITGO's fresh alignment with the U.S. in a battle to remove President Nicolas Maduro. (Letter courtesy of Cristina Vadell via AP Photo)

Still, Guaido himself hasn't directly commented on the case, even when pressed by Fox Business Network's Trish Regan in two interviews last month.

This photo shows the signatures of an Feb. 26, 2019 letter provided by Cristina Vadell to The Associated Press asking the chairwoman of CITGO for assistance by the families of American oil executives jailed for 16 months in Venezuela without a trial. The pleas for assistance have gone unanswered from the Houston-based employer’s new management—despite CITGO's fresh alignment with the U.S. in a battle to remove President Nicolas Maduro. (Letter courtesy of Cristina Vadell via AP Photo)

Cardenas believes that Guaido, like others, has been misled into believing the jailed executives were complicit in widespread corruption by government insiders that gutted Venezuela's oil industry under Maduro. But most of the families had lived in the U.S. for years, some even before the start of Hugo Chavez's socialist revolution two decades ago, and occupied midlevel jobs removed from the high finance positions where the crimes allegedly took place.

Citgo, the eighth largest refiner in the U.S. and Venezuela's biggest foreign asset, has emerged as a major prize in the battle for power in Venezuela between President Nicolas Maduro and Guaido, who heads the opposition-controlled National Assembly and is recognized by the U.S. and about 50 other governments as the country's legitimate leader. The families insist their loved ones are collateral damage in that high-stakes fight— first imprisoned on trumped-up charges by Maduro's government and now overlooked by a U.S. administration hell-bent on regime change while Citgo is hounded by creditors and battered by U.S. sanctions on PDVSA.

FILE - In this Feb. 15, 2019 file photo, wearing T-shirts with the message "Free the Citgo 6," the Vadell family poses for a photo in Katy, Texas. From left are Hayes Weggeman, his wife Veronica Vadell, his mother-in-law Dennysse Vadell and sister-in-law Cristina Vadell. Dennysse's husband and her daughter's father Tomeu, a Citgo executive, has spent 15 months jailed in Venezuela along with five other Citgo executives on what their families say are trumped-up corruption charges. (AP PhotoJohn L Mone, File)

FILE - In this Feb. 15, 2019 file photo, wearing T-shirts with the message "Free the Citgo 6," the Vadell family poses for a photo in Katy, Texas. From left are Hayes Weggeman, his wife Veronica Vadell, his mother-in-law Dennysse Vadell and sister-in-law Cristina Vadell. Dennysse's husband and her daughter's father Tomeu, a Citgo executive, has spent 15 months jailed in Venezuela along with five other Citgo executives on what their families say are trumped-up corruption charges. (AP PhotoJohn L Mone, File)

Their travail began the weekend before Thanksgiving in 2017, when the six executives got a call from the head of PDVSA summoning them to Caracas for a last-minute budget meeting. Once there, armed and masked security agents burst into a conference room and arrested them on embezzlement charges stemming from a never-executed proposal to refinance some $4 billion in Citgo bonds by offering a 50 percent stake in the company as collateral. Maduro himself accused them of "treason," though they have not been charged with that crime.

Their families of the "Citgo 6" — five of them American citizens and all with deep roots in Texas and Louisiana — complain the men are being held in inhumane conditions, sharing overcrowded basement cells in a military counterintelligence prison and suffering severe weight loss in a country plagued by food shortages. Even worse, their case shows no sign of advancing. A preliminary hearing has been postponed 13 times by Judge Rosvelin Gil for little apparent reason, with the latest session set for Friday.

Citgo when under Maduro's control provided almost no support to the jailed executives or their families despite an indemnity agreement that obligates it to act on the men's behalf. In the months following their arrest the company even terminated their pay although they were never fired.

FILE - In this Feb. 15, 2019 file photo, Sergio Cardenas holds a picture of himself with his father Gustavo as he sits on the lap of his mother Maria Elena Cardenas, Gustavo's wife, at their home in Katy, Texas. Gustavo, a Citgo executive, has been held in detention by the Venezuelan government along with five other Citgo employees since November of 2017, but their preliminary hearing has been postponed 12 times, leaving the families to question whether their loved ones are being held as pawns in a high-stakes political negotiation. The next hearing date is Wednesday, Feb. 20, 2019. (AP PhotoJohn L Mone, File)

FILE - In this Feb. 15, 2019 file photo, Sergio Cardenas holds a picture of himself with his father Gustavo as he sits on the lap of his mother Maria Elena Cardenas, Gustavo's wife, at their home in Katy, Texas. Gustavo, a Citgo executive, has been held in detention by the Venezuelan government along with five other Citgo employees since November of 2017, but their preliminary hearing has been postponed 12 times, leaving the families to question whether their loved ones are being held as pawns in a high-stakes political negotiation. The next hearing date is Wednesday, Feb. 20, 2019. (AP PhotoJohn L Mone, File)

Now, the families feel snubbed by Maduro's opponents as well.

Several emails and an upbeat letter sent Feb. 26 by certified mail to new Citgo chairwoman Luisa Palacios requesting a meeting to discuss the company's plans to facilitate the executives' release and mitigate the economic hardships the families have endured went unanswered, the families say. Other efforts to contact Citgo board members have also failed, including calls to vice president Rick Esser, the sole holdover from the previous board and someone the families say is intimately familiar with their plight.

"I feel like they're making a complete fool of me," said Maria Elena Cardenas, who has had to apply for food stamps to pay for mounting medical bills after the jailing of her husband, Gustavo Cardenas, who had been working as Citgo's head of public relations. "It's almost inhuman not to even acknowledge receipt."

FILE - In this Feb.15, 2019 file photo, Sergio Cardenas, whose father Gustavo is being held in a Venezuelan jail along with five other Citgo executives since November 2017, holds a necklace emblazoned with a logo "Free the Citgo 6," as he poses for a photo outside his home in Katy, Texas. Sergio, who suffers from a rare metabolic disease called mucolipidosis that stunted his physical growth, visited his father for two hours at a Caracas jail, after he was taken there by his mother who fears their son could die before his father's release. (AP PhotoJohn L Mone, File)

FILE - In this Feb.15, 2019 file photo, Sergio Cardenas, whose father Gustavo is being held in a Venezuelan jail along with five other Citgo executives since November 2017, holds a necklace emblazoned with a logo "Free the Citgo 6," as he poses for a photo outside his home in Katy, Texas. Sergio, who suffers from a rare metabolic disease called mucolipidosis that stunted his physical growth, visited his father for two hours at a Caracas jail, after he was taken there by his mother who fears their son could die before his father's release. (AP PhotoJohn L Mone, File)

Citgo did not reply to a request for comment.

The families did meet briefly in Houston last week with Guaido ally Carlos Vecchio, who is recognized as Venezuela's ambassador by President Donald Trump's administration.

"Our actions have always been guided by the goal of freeing political prisoners and denouncing torture and mistreatment," said Vecchio, who fled Venezuela to escape what were widely seen as made-up charges of inciting violence during 2014 anti-government protests. "If there's one party in Venezuela that has suffered first hand human rights abuses it's us."

FILE - This file photo combo shows Citgo executive Tomeu Vadell at his home in Lake Charles, Louisiana in July 2015, left, and three and a half years later while in confinement in a Venezuelan jail in January 2019. Vadell's family says he's lost more than 60 pounds due to malnutrition since he and five other Citgo employees were arrested, for alleged embezzlement and treason, during a meeting at Venezuela's state oil company PDVSA the weekend before Thanksgiving in 2017. The photo at left was provided by Tomeu's daughter Cristina, and the photo at right was obtained by The Associated Press. (Cristina Vadell via AP, left, and AP photo, right, File)

FILE - This file photo combo shows Citgo executive Tomeu Vadell at his home in Lake Charles, Louisiana in July 2015, left, and three and a half years later while in confinement in a Venezuelan jail in January 2019. Vadell's family says he's lost more than 60 pounds due to malnutrition since he and five other Citgo employees were arrested, for alleged embezzlement and treason, during a meeting at Venezuela's state oil company PDVSA the weekend before Thanksgiving in 2017. The photo at left was provided by Tomeu's daughter Cristina, and the photo at right was obtained by The Associated Press. (Cristina Vadell via AP, left, and AP photo, right, File)

Still, Guaido himself hasn't directly commented on the case, even when pressed by Fox Business Network's Trish Regan in two interviews last month.

Much to the families' frustration, the Trump administration has taken a hushed approach that contrasts with the very public diplomatic push that secured the release last year of Joshua Holt, a Utah man who was held for more than two years in a Caracas jail on weapons charges that were also seen as bogus. Maduro's decision to break off diplomatic relations with the U.S. and the departure this month of the last American diplomats in Caracas is likely to make it even harder to get the men freed or win them access to medical care.

The State Department said it continues to closely monitor the case and work through third countries to ensure the welfare of Americans' welfare while they remain in jail.

This photo shows an Feb. 26, 2019 letter provided by Cristina Vadell to The Associated Press asking the chairwoman of CITGO for assistance by the families of American oil executives jailed for 16 months in Venezuela without a trial. The pleas for assistance have gone unanswered from the Houston-based employer’s new management—despite CITGO's fresh alignment with the U.S. in a battle to remove President Nicolas Maduro. (Letter courtesy of Cristina Vadell via AP Photo)

This photo shows an Feb. 26, 2019 letter provided by Cristina Vadell to The Associated Press asking the chairwoman of CITGO for assistance by the families of American oil executives jailed for 16 months in Venezuela without a trial. The pleas for assistance have gone unanswered from the Houston-based employer’s new management—despite CITGO's fresh alignment with the U.S. in a battle to remove President Nicolas Maduro. (Letter courtesy of Cristina Vadell via AP Photo)

Cardenas believes that Guaido, like others, has been misled into believing the jailed executives were complicit in widespread corruption by government insiders that gutted Venezuela's oil industry under Maduro. But most of the families had lived in the U.S. for years, some even before the start of Hugo Chavez's socialist revolution two decades ago, and occupied midlevel jobs removed from the high finance positions where the crimes allegedly took place.

Meanwhile, she is getting desperate. With mounting medical bills for her 18-year-old son, who suffers from a rare metabolic disease that has stunted his growth, she is looking to sell the home outside Houston where she raised three children. Without her husband's paycheck, she has to send via courier at great cost the food her husband is fed in jail_an expense that she said Citgo at a minimum should be able to pick up for the anguished families.

"I know Citgo might not be able to win their release but at least they could come out and say we know they're innocent," she said of Citgo's new board. "Instead they've left us on the streets. The only thing Citgo cares about is covering its legal back."

This photo shows the signatures of an Feb. 26, 2019 letter provided by Cristina Vadell to The Associated Press asking the chairwoman of CITGO for assistance by the families of American oil executives jailed for 16 months in Venezuela without a trial. The pleas for assistance have gone unanswered from the Houston-based employer’s new management—despite CITGO's fresh alignment with the U.S. in a battle to remove President Nicolas Maduro. (Letter courtesy of Cristina Vadell via AP Photo)

This photo shows the signatures of an Feb. 26, 2019 letter provided by Cristina Vadell to The Associated Press asking the chairwoman of CITGO for assistance by the families of American oil executives jailed for 16 months in Venezuela without a trial. The pleas for assistance have gone unanswered from the Houston-based employer’s new management—despite CITGO's fresh alignment with the U.S. in a battle to remove President Nicolas Maduro. (Letter courtesy of Cristina Vadell via AP Photo)

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