Did a popular acne medication drive a Texas teen to shoot his friends?

Connor Hilton, 17, said that after taking Accutane, a prescribed acne medication, he began to have suicidal and homicidal thoughts – thoughts that, his defense argued, led him to shoot two friends in the head at his Friendswood, Texas, home. Prosecutors weren't convinced.

source https://www.cbsnews.com/news/connor-hilton-friendswood-texas-shooting-acne-medication-48-hours/