UNLV police Sgt. Denise Lutey during a Girls on Guard self-defense training for women at the UNLV Police Headquarters in Las Vegas, Wednesday, Jan. 24, 2018. (Erik Verduzco/Las Vegas Review-Journa …

UNLV police Sgt. Denise Lutey during a Girls on Guard self-defense training for women at the UNLV Police Headquarters in Las Vegas, Wednesday, Jan. 24, 2018. (Erik Verduzco/Las Vegas Review-Journal @Erik_Verduzco)