Amends the Illinois State Police Law of the Civil Administrative Code of Illinois. Provides that the Division of Criminal Investigation of the Illinois State Police shall conduct other investigations as provided by law, including, but not limited to, investigations of human trafficking, illegal drug trafficking, and illegal firearms trafficking. Provides that the Division of Criminal Investigation shall provide statewide coordination and strategy pertaining to firearm-related intelligence, firearms trafficking interdiction, and investigations. Amends the Firearm Owners Identification Card Act. Provides that a petitioner may request a plenary firearms restraining order of up to one-year, but not less than 6 months (rather than 6 months). Provides that the order may be renewed for an additional period of up to one year. Amends the Criminal Code of 2012. Provides that beginning January 1, 2024, it is unlawful for any person within the State to knowingly possess an assault weapon, assault weapon attachment, .50 caliber rifle, or .50 caliber cartridge, with exemptions, and provides penalties. Provides that it is unlawful for any person within the State to knowingly manufacture, deliver, sell, purchase, or cause to be manufactured, delivered, sold, or purchased a large capacity ammunition feeding device, with specified exemptions, and provides penalties. Contains a severability provision. Amends the Freedom of Information Act. Exempts from disclosure under the Act certain information concerning endorsements received by the Illinois State Police. Effective immediately.