The gunman behind Wednesday’s horrific shooting at a Minneapolis Catholic church has been identified as Robin Westman, a 23-year-old who left behind a trail of disturbing online videos and a chilling handwritten journal that hinted at his twisted motives.

Obsession with Violence and Mass Killers

Just hours before opening fire on children during a back-to-school Mass, Westman allegedly uploaded a 20-minute YouTube video titled “So long and thanks for all the fish.” In it, he flipped through a red spiral notebook filled with rambling passages, some in Cyrillic, and horrifying fantasies.