Jan 16, 2013 6:14 PM
UPDATE: A search warrant details that Gunn used helium and a bag to assist in his friend's suicide.
TUCSON - A man has been arrested on suspicion of murder after helping his friend commit suicide.
Pima County Sheriff's deputies responded to a call to to a home and found the dead woman, 37-year-old Katherine Lemburg, laying in a bedroom.
Suspect Tyler Gunn was in the home with the victim, along with his father -- who called 911.
Gunn explained to deputies that he had gone with Lemburg to Reddington Pass, where he "participated" in her suicide, Pima County Sheriff's spokesman Tom Peine said in a release.
Gunn then explained he brought Lemburg's body back in his car and placed her body in a bedroom.
Gunn was arrested and booked on second degree murder charges.