James Collin, the Orinda man facing a murder charge for killing his live-in girlfriend in their Moraga Way home, is expected to enter his plea in Contra Costa County Superior Court Thursday afternoon.
, found dead in the home shortly after a neighbor called police the afternoon of June 26. Investigators determined Devera had been killed with a blunt, but edged instrument -- probably a machete.
Collin approached police as they were at the residence and allegedly made statements implicating himself in the murder. He was taken into custody without incident.
Neighbors reported that the couple argued regularly, and police said the killing was likely the result of a fight the couple was having earlier in the day.