-- Update on the stabbing in Revere. Police have identified the suspect. 23 year-old Cory Roche, of Lynn, allegedly stabbed his mother to death in her home yesterday. Police responding to the incident shot Roche in the torso after he allegedly refused to drop a knife. Roche has a long criminal history and probably suffers from mental illness, according to court papers. A 2004 mental evaluation noted that he claims to hear voices. No motive......