Amends the Illinois Police Training Act. Provides that the Illinois Law Enforcement Training Standards Board shall ensure that no law enforcement officer is certified or provided a valid waiver if that law enforcement officer has been convicted of, found guilty of, or entered a plea of guilty to any specified misdemeanor (or similar offense in another state) on or after the respective effective date of any amendatory changes adding the charged misdemeanor to the provisions (rather than on or after the effective date of Public Act 101-652). Provides that the information that the Illinois State Police must process, retain, and additionally provide and disseminate to the Board from the full Illinois Law Enforcement Agencies Data System (LEADS) and the National Crime Information Center (NCIC) database concerning criminal charges, arrests, convictions, and their disposition, that have been filed against a basic academy applicant, law enforcement activation applicant (rather than a law enforcement applicant), or law enforcement officer whose fingerprint identification cards are on file or maintained by the Illinois State Police. Provides that law enforcement agencies and the Illinois State Police shall notify the Board of any final determination of a willful violation of department, agency, or Illinois State Police policy, official misconduct, or violation of law within 10 days of the action when the determination leads to a suspension of at least 10 days, dismissal, discharge, or termination (rather than when the determination leads to a suspension of at least 10 days). Provides that no law enforcement agency may knowingly employ a person, or certify a retired law enforcement officer qualified under federal law to carry a concealed weapon unless the required criminal background investigation has been completed in the full Illinois Law Enforcement Agencies Data System (LEADS) and the National Crime Information Center (NCIC) database. Effective immediately.