THC can trigger many mental disorders, especially if taken in large amounts. Also, /s/guesstherace. Archive: https://archive.today/08yCo From the post: >>A 15-year-old is in custody after he shot his mother and sister multiple times after ingesting large amounts of marijuana Saturday night, according to the Houston Police Department. This happened on Greens Road near the Hardy Toll Road around 11 p.m. HPD said the teen called 911 saying he was going to either kill someone or kill himself. The dispatcher called the home back and the teen's mother answered, saying there was nothing going on and that she didn't know anything about it.