91 Texas state troopers responded to the Uvalde massacre. Their bosses have deflected scrutiny and blame.

Col. Steve McCraw, the head of DPS, speaks during a news conference outside Robb Elementary School on May 27.

Credit:
Marco Bello/Reuters

People gather at a memorial in front of Robb Elementary School on May 30.

Credit:
Kaylee Greenlee Beal for The Texas Tribune

A group of DPS officers, left, were among other law enforcement personnel at the scene of the shooting.

Credit:
Marco Bello/Reuters

Emergency responders help students escape through windows at Robb Elementary during the shooting.

Credit:
Courtesy of Pete Luna/Uvalde Leader-News

A DPS officer blocks the road leading to Robb Elementary School.

Credit:
Sergio Flores for The Texas Tribune