Officers found notebooks referencing at least 45 state and federal elected officials in the car of suspected Minnesota shooter Vance Boelter, according to Joseph Thompson, the acting U.S. attorney for the District of Minnesota.

Here’s what we know about the 57-year-old charged with the murders of state representative Melissa Hortman and her husband and shootings of state senator John Hoffman and his wife.

Boelter built a scattered career ranging from food to retailing to private security to pastoring, public records and his online postings show.