'Justice has been served,' said Tremblay's mother
Judge instructs jury to 'keep an open mind, but not an empty head'
Aidan Cromwell charged with second-degree murder in the death of Marc Tremblay
Former sex worker stabbed john to prevent sexual assault, lawyer argues
Judge accepts defence's request for mental assessment to be conducted by forensic psychiatrist
Man stabbed Saturday afternoon in random attack
Shawn Michael Shea sentenced in 2014 for stabbing fellow inmate