California woman Bryn Spejcher fatally stabbed a man during an episode of cannabis-induced psychosis in 2018. But how exactly does weed trigger a psychotic break? Dr. Dan Buffington, a defense witness in Spejcher’s case, breaks it down. #BrynSpejcher #cannabisinducedpsychosis #marijuana Ashleigh Banfield is *the* definitive authority on the nation’s biggest true crime stories. A veteran award-winning journalist, Ashleigh brings a sharp focus to the crime stories gripping America, distilling facts and analyzing context in a way which captures viewers’ interests and imaginations. No one knows the prosecution and the defendants’ cases better than BANFIELD, all the while keeping the victim at the heart of every story we tell – just another reason NewsNation is truly News for All America. Weeknights at 10pm/9C. #Banfield NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Fin...