This article was written by ZACH DESPART  of The Texas Tribune.  The Texas Tribune is a nonpartisan, nonprofit media organization that informs Texans — and engages with them – about public policy, politics, government and statewide issues.  This article originally appeared at:https://www.texastribune.org/2022/07/02/uvalde-school-police-chief-pete-arredondo-resigns/