Six hours after Seattle police released photos of a person suspected of stabbing a University of Washington student in the laundry room of an off-campus apartment complex, a 31-year-old Bellevue man turned himself into Bellevue police and was taken to Seattle police headquarters late Wednesday. Booked into the King County Jail, the man made his first court appearance Thursday, and King County District Court Judge Matthew York found probable cause to hold him for investigation of premeditated first-degree murder. Citing “the horrific nature and brutal execution of this attack,” York made a finding that the man is substantially likely to commit a future violent offense and set bail at $10 million.…