Book launch party for local Williamson County school resource officer New series of children’s books decreases fear in children during emergencies WHAT:  A book signing party for a new children book series written by Williamson County deputy sheriff and school resource officer, Becky Coyle. Coyle (school resource officer at Scales Elementary) has penned Police in Our School, The Lockdown Drill and Who Let The Dog In? to lessen fear among children about safety rules and training for emergencies in the…