A guy who drove a bus into a kindergarten full of kids.

Sources:

https://en.wikipedia.org/wiki/Soci%C3%A9t%C3%A9_de_transport_de_Laval

https://montrealgazette.com/news/local-news/judge-to-rule-thursday-whether-man-should-stand-trial-in-laval-daycare-crash

https://www.britannica.com/topic/Khmer-Rouge

https://www.theglobeandmail.com/canada/article-laval-bus-crash-daycare/

https://www.omnitv.ca/2-kids-dead-others-injured-after-laval-bus-crashes-into-daycare-driver-arrested/

https://www.cbc.ca/news/canada/montreal/maeva-david-laval-daycare-1.6747162

https://www.independent.co.uk/news/world/americas/quebec-daycare-bus-crash-laval-b2278449.html

https://globalnews.ca/video/10390895/bus-driver-involved-in-deadly-quebec-daycare-crash-ordered-to-stand-trial

https://en.wikipedia.org/wiki/New_Brunswick

https://en.wikipedia.org/wiki/Pol_Pot

https://www.sudbury.com/national/driver-charged-with-first-degree-murder-in-nightmare-bus-attack-on-quebec-daycare-6508017

https://chatnewstoday.ca/2023/02/09/neighbours-of-accused-say-no-warning-signs-before-quebec-daycare-bus-crash/