Investigative news report
ALPR ABUSE ARCHIVE
Terrance Mastrino
Authorities’ allegations and reported case history are preserved alongside source provenance.
IL-BERKELEY-MASTRINO-2026-07
Terrance Mastrino
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.
1 linked source
Last verified August 28, 2026
//Person
Name
Terrance Mastrino
Role title
Police Officer
Role type
Sworn law enforcement
Agency
Berkeley Police Department
City
Berkeley
County
Cook
State
Illinois
//Current status
Status
Substantiated Internal Misconduct
Employment outcome
Resigned
Arrest date
Unknown
Jail
Unknown
Case-status notes
Mastrino resigned in July 2026, five days after the audit/investigation began, according to reporting.
//Alleged conduct and technology
Why this case is in the database
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.
Technology type
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
Reported vendor
Flock Safety
Reported product
Unknown
Misuse start
2025
Misuse end
Unknown
Known alleged search count
Unknown
Known duration
Unknown
Former employerNon-law-enforcement usePersonal searchUnauthorized search
//Discovery and investigation
Discovery method
External complaint / department audit / internal investigation
Investigating agency
Unknown
ALPR vendor
Flock Safety
Known charge count
Unknown
Charges
Unknown
//Timeline
External complaint / department audit / internal investigation
Mastrino resigned in July 2026, five days after the audit/investigation began, according to reporting.
Resigned
Mastrino resigned in July 2026, five days after the audit/investigation began, according to reporting.
Substantiated Internal Misconduct
Mastrino resigned in July 2026, five days after the audit/investigation began, according to reporting.
Arrested / Charged
Mastrino resigned in July 2026, five days after the audit/investigation began, according to reporting.