While the Uvalde, Texas police department and local school district police have cooperated with state Department of Public Safety investigators into the massacre that killed 19 children and two teachers at an elementary school and the law enforcement response, the chief of the school police has not responded to a request for a follow-up interview. https://www.fox4news.com/news/uvalde-texas-police-reportedly-halt-cooperation-with-state-amid-criticism-of-response-to-school-shooting Subscribe to FOX 4: https://www.youtube.com/fox4news?sub_confirmation=1 Watch FOX 4 Live: https://www.fox4news.com/live Dallas news, weather, sports and traffic from KDFW FOX 4, serving Dallas-Fort Worth, North Texas and the state of Texas. Download the FOX 4 News app: https://fox4news.onelink.me/TXYK?pid=social&c=youtube&af_web_dp=https%3A%2F%2Fwww.fox4news.com%2Fapps Download the FOX 4 WAPP: https://www.fox4news.com/apps Follow FOX 4 on Facebook: https://www.facebook.com/Fox4DFW/ Follow FOX 4 on Twitter: https://twitter.com/FOX4 Follow FOX 4 on Instagram: https://www.instagram.com/fox4news/ Subscribe to the FOX 4 newsletter: https://www.fox4news.com/newsletters