Benefit held Sunday for fallen DPS Trooper DPS Sgt. Nathan Brandley says the benefit at Brewster Street Icehouse was something they wanted to do to give back to the Walker family. Author: Lexis Greene (KIII) Updated: 10:08 PM CDT June 27, 2021 CORPUS CHRISTI, Texas — A benefit was held Sunday for fallen Texas DPS Trooper Chad Walker who lost his life in the line of duty. Sgt. Nathan Brandley a fellow member of the DPS and friend of Chad Walker says the benefit at Brewster Street Icehouse was something they wanted to do to give back to the Walker family who lost so much when trooper Chad Walker was fatally shot this year.