JASPER, Ala. (WBRC) - Prosecutor Bryan Warren has been appointed to lead the Walker County District Attorney’s (DA) Office following the retirement of longtime DA Bill Adair, Jr. Gov. Kay Ivey formally appointed Warren to the position on Friday, June 26, according to records obtained by WBRC. Bryan Warren(Walker County District Attorney's Office) Warren is well-known in this office, where he’s served for more than a decade, and has been involved with high-profile prosecutions.