Posted inPublic Safety Gov. Newsom orders flags flown at half-staff to honor San Joaquin County sheriff’s sergeant by Vince Medina • Stocktonia and Scott Linesburgh • Stocktonia Feb. 26, 2026, 1:20 p.m.Feb. 26, 2026, 3:19 p.m. San Joaquin County sheriff’s Sgt. Jason Whelen, 40, died Tuesday.