A Special Operation Has Been Launched By The Tennessee Department Of Corrections To Help Protect Children In While Trick Or Treating. Operation Blackout Is An Extra Layer Of Accountability For The Nearly 3500 Sex Offenders In The State. With Additional Rules And Regulations Set For Registered Sex Offenders Tdoc Also Will Canvas Areas And Visit Offenders To Make Sure They Are Complying With These Rules. Tdoc Also Advises Parents To Check The Tennessee Bureau Of Investigation’s Sex Offender Registry To Know Which House They Should Avoid.