Federal Criminal Complaint - full document that explains the notebook, the weapon, and other details as alleged by the DOJ
I’ve come to realize that a lot of people haven’t seen the official Federal Complaint that the DOJ released on December 18th. Here are screenshots of all 10 pages, but here is the direct link too:
https://www.justice.gov/d9/2024-12/signed_complaint_mangione.pdf
This discusses details about his arrest including the property found on him.