Michael Dean Mifflin pleads not guilty in death of female roommate in Spring Valley home

EL CAJON, Calif. - A man accused of killing his female roommate at their home in Spring Valley before making a failed attempt to commit suicide pleaded not guilty Friday to a murder charge.

Michael Dean Mifflin, 58, was ordered held without bail.

Sheriff's deputies responding to a report of a death in the 500 block of Parkbrook Street found Mifflin inside, suffering from self-inflicted cuts to his wrists about 6:45 p.m. Tuesday.

10News learned Mifflin's girlfriend of about 30 years came home and found the woman's body.

A woman's body was in another room, bearing "signs of traumatic injuries," sheriff's Lt. Glenn Giannantonio said. Her name was not made public and officials disclosed no suspected motive for the killing.

Mifflin's friend of 30 years, Danny Evans, watched from the courtroom.

"I know he's been saying he was going to commit suicide. You know, he'd been telling a lot of people that," said Evans.

Evans told 10News the victim was about to move out. Evans said Mifflin was recently denied disability and had not worked in about five years.

"So he didn't have money coming in so he couldn't help with the bills or anything. He just felt real low," Evans told 10News.

"I just can't believe it, I mean I know they didn't get along," Evans said, referring to his friend's relationship with the victim.

But Evans said they lived together for about two years.

"Every time I saw them, she'd walk through, I mean … it seemed like everything was OK. Sometimes she'd sit on the couch and sit there and talk," said Evans.

Mifflin faces 26 years to life in prison if convicted of murder, with a knife-use allegation.

A readiness conference was scheduled for Aug. 22, with a preliminary hearing set for Aug. 28.

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