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)
| Type | Count | % |
|---|---|---|
| search | 24,193 | 100% |
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
| Organization | Searches |
|---|---|
| Chicago IL PD | 1,103 |
| Indiana State Police IN PD | 844 |
| McHenry IL PD | 712 |
| Lake County IL SO | 656 |
| [Federal] US Postal Inspection Service | 586 |
| Winnebago County IL SO | 585 |
| Crystal Lake IL PD | 581 |
| River Grove IL PD | 550 |
| Bloomington IL PD | 459 |
| West Allis WI PD | 449 |
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.