The Brief The Duluth Police Department announced it will not renew its contract with Flock. Duluth police notified Flock on August 3 that the contract would not be renewed upon its September 7 expiration. The department says it will continue using some ALPR applications, though the specific platforms were not identified. The Duluth Police Department announced on Tuesday it will not renew its Flock camera contract, following a 12-month grant contract. The other side:The department says it will continue to use some Automated License Plate Recognition (ALPR) applications.