The DOJ said it is likely that wait times for concealed carry permits are "unduly burdening, or effectively denying" 2nd Amendment rights for Angelenos.

The U.S. Department of Justice announced an investigation into the Los Angeles County Sheriff's Department over the processing time for concealed weapons permits.

The Justice Department said it believed the Los Angeles County Sheriff’s Department had violated residents’ Second Amendment rights through delays in issuing the permits.

"We take the integrity of our criminal investigations and the reliability of our forensic testing very seriously,” L.A. County Sheriff Robert Luna said.

The Los Angeles County Sheriff’s Department says it will retest 4,000 DNA samples and open an internal investigation after learning that it used potentially flawed test kits for eight months.

The Los Angeles County Sheriff's Department will retest more than 4,000 DNA samples after announcing it used a faulty testing kit for at least eight months.