"After Chase’s return to work in February 2015, the safes were opened, but the gun was not in them, the report found."

February 2015:  "Where's my gun?"  "In a gun safe"  ""Let's get it out."  "Wow! It's not there!" "It has to be somewhere; tear this place apart." 

July 2015:   "Chief Chase notified department staff in July 2015 that the Glock was missing and asked people to search for it."  

October 2015:   "Well, we've looked everywhere for the damn thing, let's get the State Police in here and conduct an independent investigation."