Anderson Cooper 360º: State documents appear to indicate Uvalde Sheriff Nolasco has not completed active shooter training

CNN is learning from that Uvalde County Sheriff Ruben Nolasco doesn’t appear to have completed an active shooting training course. Sheriff Nolasco was one the senior law enforcement officials on the scene of the Robb Elementary School shooting where 19 students and two teachers were murdered. Former FBI Deputy Director Andrew McCabe tells Anderson Cooper it’s “simply law enforcement malpractice” to not have an active shooter response policy in place. Plus, Special Presidential Envoy for Hostage Affairs Roger Carstens joins AC360 to discuss how it felt being able to get WNBA star Brittney Griner home after helping negotiate the prison swap.