MARTINEZ (BCN) -- Contra Costa County prosecutors filed charges Thursday against a man accused of murdering his live-in girlfriend at their Orinda  home Tuesday, according to the Contra Costa County District Attorney's  Office.

      James Collin, 62, was charged with one count of murder with an  enhancement for use of a deadly weapon in connection with the death of his  long-time girlfriend, identified by the county coroner's office today as  56-year-old Evangeline Devera, according to the district attorney's office.

      Collin was arrested Tuesday after police received a call from  someone in the 600 block of Moraga Way at 12:18 p.m. reporting a homicide.

      When police officers approached Collin's home, he confessed that  he was responsible for the murder, according to Orinda police.

      Officers then entered the house and found Devera lying facedown in  a pool of blood in the kitchen, police said.

      Autopsy results released Wednesday show that the 56-year-old was  killed by blunt force and a sharp force injury to the head.

      Collin remains in custody in the Martinez Detention Facility on $1  million bail.

      He is set to enter a plea to the murder charge in Martinez on July  9.  

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