UPDATED: Robbery suspect killed in Montpelier standoff armed with BB gun

Montpelier High School was placed on lockdown Tuesday during a standoff with an armed robbery suspect. Photo by Mike Dougherty/VTDigger
Vermont State Police say that a pistol a man displayed during a standoff Tuesday on a field at Montpelier High School, prompting nine officers to open fire and kill him, was a BB gun.
A day after the shooting, police said Wednesday their investigation has identified the silver handgun Nathan Giffin, 32, of Essex, was holding at the time he was fatally shot was a