Weld County police said they discovered 4 bodies at this house in Longmont in an apparent murder-suicide on the morning of Dec. 18, 2012.

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FOX31 Denver News obtained a dramatic 911 call that a woman made moments before police say her ex-boyfriend shot and killed her Tuesday. Portions of the call appear in the video clip below.

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LONGMONT, Colo. -- A Longmont man, apparently jealous his ex-girlfriend was dating another man, shot and killed her and two other people early Tuesday morning before turning the gun on himself, deputies said.

Weld County Sheriff John Cooke said dispatchers received a call around 4:13 a.m. from a woman who didn’t identify herself but kept giving her Longview Estates address in east Longmont. The dispatcher heard gunfire and the line went silent.

Moments later, a man picked up the phone and told the dispatcher he had shot three people and that he was going to commit suicide. The man put the phone down and another final gunshot was heard, Cooke said.

When deputies arrived they found Beatriz Cintora-Silva, 25, dead along with her suspected killer Daniel Sanchez, 31, in the bedroom of the home. In another bedroom, paramedics found two other people, Beatriz’s sister Maria Cintora-Silva, 22, and her husband Max Aguirre Ojeda, 32. Both had been recently married, a neighbor said.

Cooke said investigators found a .45 caliber Glock next to Sanchez and 16 empty shell casings.

Sanchez and Silva had been a couple for about four years but broke up on Thanksgiving, Cooke said. Police records indicate their separation had been bitter after Sanchez learned Silva had started seeing another man.

Sanchez was arrested Sunday on a charge of false imprisonment, kidnapping and harassment after he met Silva at a Best Buy to discuss a loan repayment. According to a Longmont police report, Sanchez learned Silva was dating another person and became angry, threatened and attacked her.

He spent the night in a Boulder County jail and bonded out of jail Monday at 10 a.m.

Authorities contacted Silva and suggested she find another place to live, but she refused, deciding to stay with her sister and brother-in-law.

Investigators are still working to trace Sanchez's steps between being released and the shooting Tuesday morning.

Suspect, girlfriend had troubled past

According to the Longmont police report, Silva and Sanchez had a troubled relationship.

The two met Saturday in the Best Buy parking lot to talk about a $1,000 loan she gave Sanchez to fix his truck.

The conversation was going well until Silva got a text message from her new boyfriend – whom she described as being “just friends” while she was dating Sanchez.

Sanchez got angry when he realized she was seeing someone else, grabbed her phone and sent the other man a threatening text message.

According to the report, “Beatriz stated she was very scared of the way Daniel was acting,” and that he screamed at her “I am going to beat the sh-- out of you.”

Silva tried to get out of the truck, but Sanchez pulled her back in. He drove them to a dirt farm road, where she again tried to get out. Sanchez slammed her head against the dashboard. He eventually drove Silva back to the Best Buy and let her go, the report said.

Silva told police their relationship had been abusive during the four years they were together.

After the breakup, Silva moved in with her sister and her new husband.