PASCO COUNTY, Fla. - Update: On Oct. 22, the State Attorney announced it would not prosecute the case against Jocachinson.
Investigators say a Pasco County hospital patient sexually assaulted another patient after sneaking through a door that normally is kept locked.
The suspect is identified as 19-year-old Byan Matthew Joachinson.
Detectives say he accessed the victim's room after a staff member went through the door.
The victim, who is mentally handicapped, showed signs consistent with rape, according to a sheriff's statement.
Joachinson denied the charges and refused an exam, according to the statement.
He was arrested for involuntary sexual battery and transported to the Land O' Lakes detention center.