The largest police labor organization in Texas is warning Uvalde police and the Uvalde ISD police to cooperate with state officials amid reports that the two agencies have stopped working with the Texas Department of Public Safety’s investigation into the massacre at Robb Elementary School.

“At this time, The Combined Law Enforcement Associations of Texas, or CLEAT, is advising our members to cooperate fully with all official governmental investigations into actions relating to the law enforcement response to the Uvalde mass shooting,” said a statement issued late Tuesday by the group…

The resistance began shortly after Col. Steven McCraw, director of the Texas Department of Public Safety, faulted the school police chief for deciding to delay sending officers into the classroom where the gunman hid last Tuesday, calling it “the wrong decision” and not the proper protocol in an active shooter situation…

“Uvalde PD and Uvalde CISD are still cooperating; however, the Chief of Police for CISD has yet to respond to the Rangers’ request for a follow up interview that was made a couple of days ago,” a DPS spokesperson told Hearst Newspapers on Tuesday night.