GLENWOOD SPRINGS, Colo. (CBS4)– Police in Glenwood Springs may investigate the possibility of a love triangle as part of their investigation into a murder case.

Fredy Cabrera is facing charges of first-degree murder for allegedly shooting and killing his step-daughter’s boyfriend. His step-daughter was also shot. She survived.

READ MORE: Denver Deputy Quits Over Vaccine Mandate, Says It 'Was The Last Straw'

Police are looking for a motive in the killing. Some of those close to Cabrera said that he wanted a relationship with his step-daughter and wanted to get rid of her boyfriend.

According to court documents, Cabrera went to his step-daughter’s apartment Wednesday night and shot her boyfriend Douglas Menjivar three times. One bullet struck his step-daughter in the leg. She is expected to recover.

Douglas died a short time later at a local hospital.

Witnesses told police that Cabrera had been saying for weeks that he wanted to kill Douglas because he wanted to be in a relationship with his step-daughter.

The SWAT team searched for him yesterday until Cabrera finally turned himself in to authorities.

READ MORE: Littleton Officer In Serious Condition After Being Shot, Search Ongoing For Suspect

Neighbors said Cabrera as always nice and friendly.

He is an immigrant from El Salvador who made the American dream his own.

Cabrera started working as a dishwasher at a restaurant in Aspen and worked his way up to opening the restaurant El Horizante in Carbondale. Then he opened a second location in Colorado Springs.

Cabrera is scheduled to appear in court on Monday to face a first-degree murder charge, assault and two misdemeanors.

Garfield County Sheriff’s investigators believe Cabrera had a get-away driver. That man is still on the run.

MORE NEWS: Another Deadly Hit & Run In Denver Raises Questions About Street Safety

Anyone with information about a 2005 gold-colored Jeep Grand Cherokee with the Colorado license plate 153-RNN is asked to call 911 immediately.