A 50-year-old Long Island man left his 15-year-old daughter waiting in the car while he went in her mother’s home — his ex-wife — and killed her and her boyfriend.

Kelly Coppola, 50, and Kenneth Pohlman Jr., 53, were found shot to death at Pohlman’s St. James home after the teenager alerted police, family, and friends that something was wrong, Newsday reported.

The girl called 911 twice, once saying her father was threatening to kill himself and another 10 minutes later saying she’d left with her father without her mother’s permission. As he drove her to his home nearby, police said, the girl texted family and friends, saying she was worried that something had happened in the house.

“As he’s driving her, she is communicating with friends via text, saying, ‘I don’t know what my father did. I don’t know how my mother is,'” Suffolk County Det. Kevin Beyrer said.

Police drove to Daniel Coppola’s home and took him into custody for a psychological evaluation then went back to the home Kelly Coppola shared with Pohlman and found the couple dead.

“He went to the house on Brasswood Road, picked the girl up, put her in his car, committed the murders, drove her from there to Harbor Road,” Beyrer said.

Police said they recovered a gun at the Brasswood Road home.

“Kenny was a great human being,” Tom Pohlman, one of the victim’s brothers, said Thursday afternoon. “This is his home. His girlfriend was living with him. Her ex-husband shot down his door, ran upstairs, and shot him and her in cold blood. This is ludicrous, and people need to understand that my brother died defending his girlfriend in his home and probably trying to save his [own] life for these kids that don’t have a mother.”

Kenneth Pohlman Sr., the victim’s father, said that his son had written Coppola multiple love letters and that she framed them and put them on the wall in the bedroom where they died.

“Every year since Kenny and Kelly were together he wrote a love letter to Kelly. She framed them and she got them mounted on the wall. They got pictures on the wall and a sign saying ‘I love you more,'” the father said. “They were in love.”

A neighbor, who identified himself only as Alan, said he hear gunshots but didn’t call police.

“It’s so quiet around here,” Alan said. “Maybe I should have called the police, but you don’t think it’ll be gunshots.”

Beyrer said the Coppolas had a lengthy and contentious divorce that was finalized in May, although the last filing was dated August 21.

“Daniel Coppola is currently being mentally evaluated based on the suicidal statements he made,” Beyrer said. He “will face charges upon his release. Both families have been notified.”

The daughter is now with family members.

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[Featured image: Kelly Coppola and Kenneth Pohlman Jr/Facebook]