Denisse Potoczny, an emergency room nurse, pets P.J., a therapy dog, doing rounds throughout the Sunrise Hospital to help brighten the moods of the staff on the anniversary of the One October shoo …

Denisse Potoczny, an emergency room nurse, pets P.J., a therapy dog, doing rounds throughout the Sunrise Hospital to help brighten the moods of the staff on the anniversary of the One October shooting in Las Vegas, Monday, Oct. 1, 2018. Caroline Brehman/Las Vegas Review-Journal