Roommate of slain man arrested: Man found dead inside Carlsbad home

David Diaz booked on charge of homicide

CARLSBAD, Calif. - A man who called authorities for help was the same man Carlsbad police arrested in connection with the death of his roommate Wednesday evening.

According to initial reports, 27-year-old David Diaz called police to his residence at 3550 Sierra Morena Drive to report a shooting at about 6 p.m. Wednesday. 10News learned Diaz reported that a drug dealer broke in and shot his roommate. Police told 10News there were no other reports of gunfire.

Arriving officers found the victim on the second floor of the home with what police described as traumatic injuries. The victim died at the scene, police said, and his/her identity was withheld pending family notification.

Authorities said Diaz sustained minor injuries to his hands during the incident and was taken to the hospital. Authorities told 10News Diaz voluntarily went to the police station for questioning, and that is where investigators determined one of the victims was the suspect.

Carlsbad police worked through the night and well into Thursday in search of answers. Police said Diaz was arrested and booked into the Vista Detention Facility on suspicion of homicide and resisting a public official.

Diaz was arrested and later booked into the Vista Detention Facility on suspicion of homicide and resisting a public official, according to police.

Officers initially sought a person in a red Porsche in connection with the crime, but it was later determined that vehicle was not involved, police said.

Several neighbors said Diaz was often seen pacing outside and talking to himself. They said he was known for his bizarre behavior and often lit fires in the yard, then chanted and danced around them.

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