COTO DE CAZA (CBSLA.com) — The death of a man and his toddler during a barricade situation Wednesday was being investigated as a murder-suicide.

Orange County Sheriff’s Department deputies were dispatched around 6 p.m. to 15 Swallows Lane after a 911 hang-up call.

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When officials arrived on scene, they were contacted by Luis Arizmendi’s wife and her 18-month-old child, who indicted there was a domestic altercation with Arizmendi inside the residence.

Arizmendi refused to exit and was unresponsive to deputies who attempted to contact him, Lt. Jeff Hallock said.

The barricade situation ended around 7:20 p.m. after authorities heard two shots fired from inside the home.

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When a SWAT team entered, they located the body of 41-year-old Arizmendi and his 3.5-year-old son Sebastian.

A handgun believed to be used was also located at the scene, according to Hallock.

“This is really different for us because this is a peaceful community. We just don’t have any crime or any problems,” neighbor Arlene Richins said.

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Anyone with additional information was asked to call Orange County Sheriff’s Department’s Homicide Unit at (714)647-7055 or (714)647-7000. Anonymous tips may also be submitted to Orange County Crime Stoppers at 855-TIP-OCCS (855-847-6227) or online.