Amends the Co-Responder Pilot Program Division of the Illinois Municipal Code. Adds the McHenry County Sheriff's Office to the offices to which the Division is applicable and requires the Office to establish a co-responder unit no later than 6 months after the effective date of the amendatory Act and hire specified personnel. Makes conforming changes, including in the Counties Code. Provides that, along with the duties described elsewhere in the Division, the unit's social workers are responsible for following up with victims (rather than conducting follow-up visits for victims) who may benefit from mental or behavioral health services.