Jason Rivera was no stranger to the tensions between New York City cops and some of the communities they police. Growing up in a Dominican neighborhood in Manhattan, he’d seen it up close, like when his brother got pulled from a taxi and frisked for what felt like no reason.

Wilbert Mora, too, knew it from his youth in East Harlem, and spent his college years thinking about ways to address it.

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Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Jason Rivera was no stranger to the tensions between New York City cops and some of the communities they police. Growing up in a Dominican neighborhood in Manhattan, he’d seen it up close, like when his brother got pulled from a taxi and frisked for what felt like no reason.

Rev. Ronald Sullivan, center, leads a prayer during a vigil in Harlem outside the 32nd precinct honoring fallen NYPD officers Jason Rivera and Wilbert Mora, Wednesday Jan. 26, 2022, in New York. (AP PhotoBobby Caina Calvan)

Neither got the chance they deserved. Both were fatally wounded last Friday by a gunman who ambushed the officers after they responded to a call about a family dispute at a Harlem apartment.

NYPD Officer Sterling Medina, center, grows emotional while remembering his fallen fellow officers at a vigil outside the 32nd precinct honoring officers Jason Rivera and Wilbert Mora in Harlem, Wednesday Jan. 26, 2022, in New York. (AP PhotoBobby Caina Calvan)

Mora, 27, was in his fourth year on the job. His wake and funeral Mass were planned for next week, also at the iconic Roman Catholic cathedral.

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

“She said it was a dangerous situation,” recalled Caraballo. But the son insisted, and his mom relented. “She said, ‘OK. I support you.’”

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

“He was from from the hood,” McGraw said. “He understood the importance of getting into this very crucial and important role as a police officer — to not only make a difference but to bring some more men and women of color into the NYPD.”

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

In an essay describing why he became a police officer, Rivera recalled the injustice of being pulled over in a taxi and seeing officers frisk his brother.

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

As youths, they saw the end of “broken windows” policing that treated low-level offenses as a gateway to bigger crimes. They saw the court-ordered reduction in officers' use of a tactic of routinely stopping young men and searching them for weapons.

Police officers and New York City Mayor Eric Adams, center left wearing mask, stand at attention after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Before joining the department, Mora studied at John Jay College of Criminal Justice, where he impressed professor Irina Zakirova with sharp questions and a keen interest in striving for ways to build bridges between police and the neighborhoods they serve.

Family members of New York City Police Department Officer Wilbert Mora walk towards a waiting vehicle as they attend the arrival of Mora's remains at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Rivera's wife, Dominique Rivera, posted on Instagram that she and her husband were friends since childhood. She shared a message he wrote her in their school days saying he loved her and wanted to marry her. After their wedding last October, Dominique wrote that Rivera was her “soulmate, best friend and lover from now until the end of time."

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers stand at attention after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers stand at attention after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Both sought to be catalysts of change when they joined the police force.

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Neither got the chance they deserved. Both were fatally wounded last Friday by a gunman who ambushed the officers after they responded to a call about a family dispute at a Harlem apartment.

Thousands of mourners were expected Thursday at Rivera's wake at St. Patrick's Cathedral, which will also host his funeral Mass on Friday, with Cardinal Timothy Dolan presiding.

The 22-year-old had been a police officer for barely a year.

Rev. Ronald Sullivan, center, leads a prayer during a vigil in Harlem outside the 32nd precinct honoring fallen NYPD officers Jason Rivera and Wilbert Mora, Wednesday Jan. 26, 2022, in New York. (AP PhotoBobby Caina Calvan)

Rev. Ronald Sullivan, center, leads a prayer during a vigil in Harlem outside the 32nd precinct honoring fallen NYPD officers Jason Rivera and Wilbert Mora, Wednesday Jan. 26, 2022, in New York. (AP PhotoBobby Caina Calvan)

Mora, 27, was in his fourth year on the job. His wake and funeral Mass were planned for next week, also at the iconic Roman Catholic cathedral.

Friends this week have been remembering the officers as caring and dedicated. Mora was a gentle giant, with a strong physique and a warm heart. Rivera was a doting newlywed who would FaceTime his wife from his locker.

Marisa Caraballo, a former neighbor of the Rivera family, said the officer’s mother objected when he told her he wanted to join the police.

NYPD Officer Sterling Medina, center, grows emotional while remembering his fallen fellow officers at a vigil outside the 32nd precinct honoring officers Jason Rivera and Wilbert Mora in Harlem, Wednesday Jan. 26, 2022, in New York. (AP PhotoBobby Caina Calvan)

NYPD Officer Sterling Medina, center, grows emotional while remembering his fallen fellow officers at a vigil outside the 32nd precinct honoring officers Jason Rivera and Wilbert Mora in Harlem, Wednesday Jan. 26, 2022, in New York. (AP PhotoBobby Caina Calvan)

“She said it was a dangerous situation,” recalled Caraballo. But the son insisted, and his mom relented. “She said, ‘OK. I support you.’”

At a vigil Wednesday night outside the precinct house where Rivera and Mora worked, hundreds of their fellow officers and scores of people from the community filled the street.

Stephanie McGraw, founder of anti-domestic violence group We All Really Matter, said she got to know Mora during frequent visits to the 32nd precinct.

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

“He was from from the hood,” McGraw said. “He understood the importance of getting into this very crucial and important role as a police officer — to not only make a difference but to bring some more men and women of color into the NYPD.”

Rivera grew up in Inwood, a neighborhood on the northern tip of Manhattan where many residents hail from the Dominican Republic.

“Officer Rivera and Officer Mora made a decision that they wanted to be part of the solution,” said the Rev. Ronald Sullivan of the Christian Parish for Spiritual Renewal. “We’re not believing the narrative that the community and the police are on different teams."

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

In an essay describing why he became a police officer, Rivera recalled the injustice of being pulled over in a taxi and seeing officers frisk his brother.

“My perspective on police and the way they police really bothered me,” Rivera wrote. But he said he got interested in becoming a cop himself because he saw the department “pushing hard” to improve community relations.

Rivera and Mora were part of the newest generation of NYPD officers, one increasingly reflective of the city's diversity.

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

As youths, they saw the end of “broken windows” policing that treated low-level offenses as a gateway to bigger crimes. They saw the court-ordered reduction in officers' use of a tactic of routinely stopping young men and searching them for weapons.

Today's NYPD is 45% white, 30% Hispanic and nearly 10% Asian. Black New Yorkers, who account for nearly a quarter of the city’s population, make up just 15% of its police force. The city's newly appointed police commissioner, Keechant Sewell, is the first woman and third Black person to lead the department.

Officer Keith Hall, who worked with the slain officers, recalled how Mora’s imposing frame — tall and stocky like a football player — belied his approachable nature.

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

The remains of New York City Police Department Officer Wilbert Mora arrives at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Before joining the department, Mora studied at John Jay College of Criminal Justice, where he impressed professor Irina Zakirova with sharp questions and a keen interest in striving for ways to build bridges between police and the neighborhoods they serve.

“He was so certain about becoming a police officer — a good police officer,” Zakirova said.

After it became clear that Mora wouldn't survive the shooting, his family had his organs donated — in accordance with his wishes. Mora helped save five people with his heart, liver, kidneys and pancreas.

Police officers and New York City Mayor Eric Adams, center left wearing mask, stand at attention after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers and New York City Mayor Eric Adams, center left wearing mask, stand at attention after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Rivera's wife, Dominique Rivera, posted on Instagram that she and her husband were friends since childhood. She shared a message he wrote her in their school days saying he loved her and wanted to marry her. After their wedding last October, Dominique wrote that Rivera was her “soulmate, best friend and lover from now until the end of time."

“But now your soul will spend the rest of my days with me, through me, right beside me,” Dominique wrote over a picture of her husband's police station locker. “I love you till the end of time.”

Family members of New York City Police Department Officer Wilbert Mora walk towards a waiting vehicle as they attend the arrival of Mora's remains at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Family members of New York City Police Department Officer Wilbert Mora walk towards a waiting vehicle as they attend the arrival of Mora's remains at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers embrace after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers stand at attention after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)

Police officers stand at attention after the remains of New York City Police Department Officer Wilbert Mora arrived at a funeral home in the Manhattan borough of New York, Wednesday, Jan. 26, 2022. Officer Mora, who died Tuesday, was gravely wounded last week in a Harlem shooting that also killed his partner. (AP PhotoCraig Ruttle)