Christopher Hendon dressed like a cop — often wearing what many would assume was a bulletproof vest.He talked like a cop — greeting some Akron police like old friends, many of whom he might have known from his three years as an Akron Police Explorer, a club for young people aspiring to get into law enforcement.And Hendon carried his handgun like a cop, tucked into a holster on his hip.But the 26-year-old Akron man wasn’t a cop.Yet his law enforcement swagger was so convincing it apparently earned him — and his weapon — repeated passage into an Akron elementary school.“He did have the jargon.