‘This is a trial by ambush,’ Uvalde officer’s defense attorney alleges after testimony of witness changes abcnews.go.comUvalde trial takes dramatic turn as key witness changes testimony Texas Public Radio | TPRJudge rejects mistrial request in case of former Uvalde school officer USA TodayJudge in trial of former Uvalde school police officer denies defense motion for mistrial CNNFormer Uvalde school officer accused of failing to act against shooter who killed 19 students, two teachers Yahoo