(Portland, OR) -- The suspect in a fatal stabbing on a MAX train told investigators he heard voices telling him to do it. The incident happened on a MAX train approaching the 82nd Avenue Transit Station Friday evening. Court documents reveal surveillance video on the train shows 51-year-old Shondel Larkin allegedly stabbing the victim repeatedly in an unprovoked attacked. The victim died on the MAX platform. Police found Larkin in the train covered in blood and armed with a large butcher-style kitchen knife. Larkin is charged with Murder in the Second Degree.