DeKalb County Police Department’s Command Staff received in-service training this week. The classes, which were held on Oct. 17 and 18, included Tact, Tactics and Trust, Community Policing, Taser use, ASP, De-escalation, The Five Dysfunctions of a Team and Building A Foundation of Trust, were held at the AEI Start-up Factory, 7310 Stonecrest Concourse.