Data update: McHenry IL PD (June 2026)

Records from McHenry IL PD were added, covering March–April 2026. McHenry is a city of roughly 27,000 residents in McHenry County, Illinois, about 50 miles northwest of Chicago along the Fox River.

The FOIA response came as two separate xlsx files: one for McHenry PD’s own Flock searches (“FLOCK Inquiries”) and one for other agencies that searched through McHenry’s cameras (“FLOCK Inquiries Outside Agencies”), covering the same one-month window.

#Organization audit

• Type: Organization audit (McHenry PD’s own outbound searches)
• Timespan: Mar 4 – Apr 5, 2026 (~1 month)
• Records: 562
• Search types: lookup: 409 (72.8%), search: 153 (27.2%)

#Network audit

• Type: Network audit (all agencies through McHenry cameras)
• Timespan: Mar 4 – Apr 5, 2026 (~1 month)
• Records: 24,193
• Organizations: 352

#Search types (network)

Every record in the network file is a vehicle-description search — no automated plate lookups appear at all. This is unusual; most network audits show a mix of lookup and search types.

#Top searchers

McHenry IL PD itself accounts for 712 records in the network file — searches made through its own cameras that appear in the network audit. Chicago PD leads external agencies with 1,103 searches. The US Postal Inspection Service — a federal agency — appears with 586 searches, a notable entry for a single month through a small city’s cameras.

#Reasons

Reason strings are predominantly Flock dropdown categories. Top entries: Motor Vehicle Theft/Stolen - (1,257), Traffic Infraction - (1,227), Larceny/Theft Offenses - (1,060), Burglary/Breaking & Entering - (779), Hit and Run/Car Accident - (772), Drugs/Narcotics - (600 + 539 under a second spelling), Obstructing the Police (Fleeing/Eluding) - (532), Wanted Person (Arrest Warrant/Fugitive) - (414), Homicide/Death Investigation - (382), Weapons Offense (Guns/Shots Fired) - (315).

Only 6 records have blank reasons across the combined dataset.