Yes, man had the legal right to do it. However, why does the state allow that right?
Hstoday New ISIS-Khorasan Propaganda Tactics Target United States - HS Today
Registration is now open for Illinois residents who own assault weapons - Chicago Sun-Times
How the AK-47 and AR-15 Evolved Into Rifles of Choice for Mass Shootings - The New York Times
How the AK-47 and AR-15 Evolved Into Rifles of Choice for Mass Shootings - The New York Times
The Road to October 7: Hamas' Long Game, Clarified – Combating Terrorism Center at West Point
World's deadliest inventor: Mikhail Kalashnikov and his AK-47
Gun Owners in Illinois Are Now Required to Register Assault Weapons. What Happens if They Don't?, Chicago News
Huge problem': Passengers are bringing a record number of guns to the airport, TSA says, Archive
Openly carrying AK-47 raises many questions