Illinois Criminal Justice Information Authority Research BulletinThe use of probationer alcohol and substance abuse treatment services in Illinois By Arthur J. Lurigio, Ph.D., Loyola University Chicago and TASC … Access Full Source ILLINOIS DRUG CONTROL UPDATEHeroin is the most commonly cited drug among primary drug treatment admissions in Illinois. Drug Use Trends in Illinois Drug Use in Illinois: The National Survey on Drug Use and Health (NSDUH) provides national and state-level ...