 Crooks was a registered Republican, but donated $15 to a Democratic group in 2021. The local school district says he graduated from Bethel Park High School in 2022. Classmates have described Crooks as quiet and said he was a good student. The administrator at Bethel Park Skilled Nursing and Rehabilitation confirmed he worked there as a dietary aide. In a statement, she said they were, quote, "...shocked and saddened to learn of Crooks' alleged involvement in the shooting."