SAN ANTONIO – A lovers triangle end with one man dead and another on the run Sunday. Police said a man died trying to protect his girlfriend from an ex-boyfriend.

The deadly shooting happened just before 2:30 p.m. on Carson Street just outside Fort Sam Houston.

"I didn't know what to think – I didn't” said Brianna Castro said. “Then to see all the police and all the yellow caution tape, it was just crazy."

Family and friends identified the victim as Pedro Leal. The man who fired the shots has not been identified but police say he was an ex-boyfriend.

Castro also identified Leal as her stepfather.

"He was just an amazing person and he always knew how to put a smile on your face. No matter what your mood was," Castro said.

Castro said Leal was staying with the family because the suspect had begun making threats to her mom.

"It was just like him showing up at the house and him sending threatening messages to my mom saying that's he going to come do this and come do that. He was just scary, to be honest," said Castro.

Police said that is when woman’s ex-boyfriend and her son showed up to the home.

Gunfire rang out and Leal was shot. He was able to run a block away to Sandmeyer Street where he collapsed and died.

San Antonio police are looking for the two men who they believe left in a silver Mitsubishi Galant.

No one else was injured.