McGruff the Crime Dog and Staff Sgt. Jamari Floyd, 28th Security Forces Squadron unit training monitor, visit a class of 3 to 5-year-old students at the Child Development Center on Ellsworth Air Force Base, S.D., May 16, 2013. McGruff visited classrooms at the CDC as part of Police Week to discuss saying “no” to drugs and how to stay safe. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)