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Dr. Thomas Burchard slaying: Ex-Playboy model Kelsey Turner and Diana Pena held, 3rd suspect sought

Las Vegas -- A former Playboy model arrested in California in the killing of a psychologist last month made a court appearance in Las Vegas on a murder charge the same day an alleged accomplice surrendered to police, authorities said Monday.

Kelsey Nichole Turner, 25, "categorically denies any role in the death of Dr. Burchard," her attorney, Brian James Smith, told The Associated Press. Turner was arrested March 21 in Stockton, California, and was transferred Friday to the Clark County Jail in Las Vegas. She is being held without bail.

Smith said a judge on Saturday scheduled a June 3 preliminary hearing on evidence in the slaying of Thomas Kirk Burchard, 71, of Salinas, California.

Also on Saturday, Diana Nicole Pena, 30, surrendered to detectives in Las Vegas after being named in a warrant charging her with murder and conspiracy in Burchard's death, police Officer Larry Hadfield said.

Las Vegas Metropolitan Police released mugshots of the two women Monday, reports CBS Las Vegas affiliate KLAS-TV.

Mugshots of Diana Pena, left and Kelsey Turner Las Vegas Metropolitan Police / KLAS-TV

A third suspect, Jon Logan Kennison, is still being sought on murder and conspiracy charges. Hadfield said Kennison is 27.

Pena is due in a Las Vegas court on Tuesday. Her attorney, Jess Matsuda, was in trial in another case Monday and unavailable for immediately comment.

The case involving the death of the semi-retired child psychiatrist in California has drawn intense media interest amid allegations that Turner, a former model for Playboy Italia and Maxim magazines, and her roommates killed him.

Burchard's body was found March 7 in the trunk of Turner's car in the desert outside Las Vegas, days after police said he paid her rent for a home in Las Vegas, according to court documents.

The Clark County coroner found that Burchard died of head injuries after being struck multiple times with an unidentified object that left what police called a unique pattern.

Police said Burchard's longtime girlfriend, Judy Earp, in California, reported he text-messaged her on March 2 from Las Vegas and missed his scheduled return to Salinas two days later.