CVS expands use of time-delay safes at all Illinois pharmacies Dec 1, 2021 | Prescription Drugs, Top Stories All 392 CVS pharmacies in Illinois now have time-delay safes installed to prevent the theft of opioids and other controlled substances, officials announced Tuesday.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.