Years after a high school shooting in Parkland, Florida, here's a look at changes aimed to improve response from school resource officers. Polk County Sheriff Grady Judd is a member of the Marjory Stoneman Douglas Public Safety Commission. Jury selection began Wednesday in the trial of a former Florida sheriff's deputy charged with failing to confront the shooter who killed 14 students and three staff members at a Parkland high school five years ago. ►Subscribe: https://on.wtsp.com/youtube ►Website: https://www.wtsp.com/ ►Facebook: https://facebook.com/10TampaBay ►Twitter: https://twitter.com/10TampaBay