Illinois

State-level aggregate case statistics and published cases.

14
Documented cases
12
Agencies
2
People arrested
3
People fired

//Cases

Unnamed Whiteside County Sheriff's Office deputy

Whiteside County Sheriff's Office · Morrison, Whiteside, Illinois
Administrative leave / investigation pending Placed on administrative leave The sheriff's office opened an internal investigation into a deputy's possible misuse of Flock camera data. The alleged searches and purpose have not been disclosed.Automated License Plate Reader Possible unauthorized / improper ALPR useinvestigation pending

The sheriff's office opened an internal investigation into a deputy's possible misuse of Flock camera data. The alleged searches and purpose have not been disclosed.

Justin Egan

Creve Coeur Police Department · Creve Coeur, Tazewell, Illinois
Resigned; Illinois State Police investigation active Resigned OtherAutomated License Plate Reader Alleged stalking / personal trackingalleged misuse of ALPR authority

Court filings by Justin Egan's ex-wife allege that while serving as Creve Coeur police chief, Egan used the village's Flock cameras to monitor her and directed other officers to track her. Illinois State Police confirmed an active investigation.

Unnamed Joliet Public Safety Dispatcher

Joliet Police Department · Joliet, Will, Illinois
Administrative Leave / Investigation Paid administrative leave Joliet Police said a public safety dispatcher was placed on paid administrative leave after discovery of alleged misuse of Flock Safety technology. The matter was referred to the City of Joliet Inspector General and Illinois State Police for independent review.Automated License Plate Reader Alleged unauthorized usePossible non-law-enforcement use

Joliet Police said a public safety dispatcher was placed on paid administrative leave after discovery of alleged misuse of Flock Safety technology. The matter was referred to the City of Joliet Inspector General and Illinois State Police for independent review.

Unnamed Joliet Police Officer

Joliet Police Department · Joliet, Will, Illinois
Administrative Leave / Investigation Paid administrative leave Joliet Police said a sworn officer was placed on paid administrative leave after discovery of alleged misuse of Flock Safety technology. The matter was referred to the City of Joliet Inspector General and Illinois State Police for independent review.Automated License Plate Reader Alleged unauthorized usePossible non-law-enforcement use

Joliet Police said a sworn officer was placed on paid administrative leave after discovery of alleged misuse of Flock Safety technology. The matter was referred to the City of Joliet Inspector General and Illinois State Police for independent review.

Unnamed West Chicago Police Officer

West Chicago Police Department · West Chicago, DuPage, Illinois
Administrative Leave / Investigation Administrative leave City review identified information indicating an officer may have used Flock for an unauthorized purpose between late 2024 and early 2025.Automated License Plate Reader Possible non-law-enforcement usePossible unauthorized search

City review identified information indicating an officer may have used Flock for an unauthorized purpose between late 2024 and early 2025.

Unnamed Channahon Police Officer

Channahon Police Department · Channahon, Will, Illinois
Under Internal Investigation Administrative leave Automated License Plate Reader Non-law-enforcement use allegedUnauthorized search

An unnamed Channahon police officer was reported under investigation for alleged unauthorized use of the Flock license plate reader system.

Cohen Piechocinski

Palos Park Police Department · Palos Park, Cook, Illinois
Substantiated Unauthorized Use / Discipline Review Flock access revoked Records / Intelligence DatabaseAutomated License Plate Reader Non-law-enforcement usePersonal searchSelf-searchUnauthorized search

Department records indicated Piechocinski conducted 11 unauthorized Flock searches involving his own personal vehicles.

Terrance Mastrino

Berkeley Police Department · Berkeley, Cook, Illinois
Substantiated Internal Misconduct Resigned Internal investigation found Mastrino used Flock in 2025 to search the plate of a former employer. The plate owner later contacted the police chief, prompting an audit.Automated License Plate Reader Former employerNon-law-enforcement usePersonal searchUnauthorized search

Internal investigation found Mastrino used Flock in 2025 to search the plate of a former employer. The plate owner later contacted the police chief, prompting an audit.

Unnamed Itasca officer

Itasca Police Department · Itasca, DuPage, Illinois
Substantiated Misuse Fired Records / Intelligence DatabaseAutomated License Plate Reader Non-law-enforcement use

Officer was fired for an unspecified Flock violation after a news organization requested misuse records.

Jeremy Harrison

Joliet Police Department · Joliet, Will, Illinois
Substantiated Internal Misconduct Fired Harrison was fired after using Flock cameras to track the location of a female police officer.Automated License Plate Reader CoworkerNon-law-enforcement useTracking

Harrison was fired after using Flock cameras to track the location of a female police officer.

Agency-level incident

Illinois law-enforcement ALPR network · Springfield, Sangamon, Illinois
State Audit Found Violation An Illinois Secretary of State audit found Customs and Border Protection gained access to Illinois license-plate camera data in violation of state law.Automated License Plate Reader Immigration enforcementStatutory violationUnauthorized data sharing

An Illinois Secretary of State audit found Customs and Border Protection gained access to Illinois license-plate camera data in violation of state law.

Jaila Cole-Clark

Matteson Police Department · Matteson, Cook, Illinois
Substantiated Misuse / Resigned Resigned Internal documents reportedly showed Cole-Clark ran hundreds of Flock searches for a former domestic partner and that person's new partner.Automated License Plate Reader Former domestic partnerNon-law-enforcement useRomantic rivalTracking

Internal documents reportedly showed Cole-Clark ran hundreds of Flock searches for a former domestic partner and that person's new partner.

William C. Copp

Prairie Grove Police Department · Prairie Grove, McHenry, Illinois · June 17, 2026
Arrested / Charged Fired from Prairie Grove OtherAutomated License Plate Reader Former romantic partnersNon-law-enforcement useStalking / tracking alleged

Prosecutors alleged Copp used Flock and other law-enforcement systems hundreds of times to track people he knew, including former romantic partners and at least one new partner of a former romantic partner.

Tyler C. Bryan

Winnebago County Sheriff's Office / Cherry Valley Police Department · Cherry Valley, Winnebago, Illinois · May 8, 2026
Arrested and charged; investigation ongoing Resigned from both agencies Automated License Plate Reader Alleged stalking / personal tracking using ALPR data

Former Winnebago County deputy and Cherry Valley officer Tyler C. Bryan was charged after an investigation into alleged stalking over multiple years. Secondary ALPR-abuse reporting identifies the conduct as including use of license-plate-reader data to monitor an ex-girlfriend and her new partner.