If the Crown succeeds, Allan Schoenborn will only be allowed to leave his psychiatric hospital for medical reasons.
Schoenborn's treating psychiatrist said that while the man is a "significant threat,'' he is a low risk to escape.
The Crown has 15 days to decide whether to appeal the decision.
Allan Schoenborn killed his three kids seven years ago.
At least 40 instances of angry behaviour have been recorded for Schoenborn since he was institutionalized in 2010.
PORT COQUITLAM, B.C. - Clean-shaven and quiet, a far cry from the wild-eyed child killer who yelled at his victims' mother at his murder trial, Allan Schoenborn asked a B.C. Review Board panel Friday...