(Portland, OR)  --  A man who's accused of strangling his girlfriend at a Portland Motel 6 is under indictment.  Authorities say 31-year-old Joshua Scott Carlson is facing a murder charge in the death of 42-year-old Valerie Johnson, whose body was found with a black belt wrapped around her neck.  Police say Carlson is also accused of stealing a car and eluding an officer during a brief chase.  He's being held in the Multnomah County Jail.