The Toronto Eaton Centre Mass shooting and double murders. https://www.thestar.com/news/crime/2014/10/15/surveillance_video_playing_key_role_in_trial_of_christopher_husbands.html https://nationalpost.com/news/toronto/accused-in-eaton-centre-shooting-deaths-admits-he-killed- t wo-but-lawyer-argues-he-did-not-intend-to
Homicide of Mike Pimentel, solved with the help of Twitter https://nymag.com/intelligencer/2014/12/tam-bui-serial-homicide.html https://nymag.com/intelligencer/2015/12/police-may-have-solved-murder-thanks-to-serial.html
Sniper murder of Clinton Yow Foo https://www.cbc.ca/news/canada/toronto/murder-update-clinton-foo-1.3542673
Murder of Allan Lanteigne https://www.thestar.com/news/crime/2018/05/30/lovers-guilty-of-first-degree-murder-in-death-of-former-u-of-t-clerk.html