The three people killed in a grisly homicide in Orcutt in December died from wounds inflicted by a sledgehammer and “large kitchen knives,” according to autopsy results released Thursday by the Santa Barbara County Sheriff’s Office.
According to the release, 34-year-old Nicole McNabb, 64-year-old Melanie McNabb and 63-year-old Carlos Echavarria all died as a result of blunt force and sharp force trauma.
“The victims were all beaten and stabbed multiple times and died as a result of their injuries,” read the release.
A sledgehammer and several large kitchen knives were recovered at the scene, and are believed to be the murder weapons, according to the release.
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Suspect David McNabb allegedly murdered his sister and mother, as well as their roommate, at their home in Oakhill Estates on Dec. 28, before being shot and killed after a standoff with deputies.
The murders and a motive are still under investigation.