Crime Data Feared Lost From Dallas Police Computer Network

A Dallas police car and an emergency response vehicle sit in a parking lot in Dallas, Texas, in this file photo taken on Oct. 16, 2014. Mike Stone/Getty Images

DALLAS—A massive amount of information on criminal cases dating to July 2020 has been lost from the Dallas Police Department computer database, authorities revealed on Wednesday.

In a statement, the Dallas County District Attorney’s Office said the loss occurred in early April as the Dallas Police Department performed a data migration from a computer network drive.