I grew up in Port Coquitlam, BC. We were home to the infamous pig farm murders. Crazy stuff, I used to drive past the Pickton farm every day when I was a kid. My high school is on part of the reclamation site.
There has been a book on the topic: https://www.amazon.ca/dp/B003ZDO2GW/ref=dp-kindle-redirect?_encoding=UTF8&btkr=1
And the wiki page: https://en.m.wikipedia.org/wiki/Robert_Pickton?wprov=sfla1