Tulsa's police force grew by nearly 40 on Friday, the second time this year a group of cadets has graduated from the Police Department Academy.

For Capt. DeMarco, who stepped down earlier this month as deputy police superintendent after 26 years with the Niagara Falls Police Department, that moment was particularly tough.

She led the police practices unit in the Civil Rights Division of the Department of Justice from 2010-2017. Originally published by The Los Angeles Times.