The parents who fought off a would-be kidnapper in a Costco parking lot over the weekend say the encounter has them uneasy and looking over their shoulders at all times."We got to thinkabout this idiot or any idiot creep,” father Peter Kopchak said. “You're alwayslooking over your shoulder."Saturday afternoon inthe parking lot of Costco in Vista, the couple was confronted by a stranger.That stranger, identified by the San Diego County Sheriff’s Department as Adam Glavinic, pulled open the couple's rear car door while they were backing out of a parking space and tried to snatch 2-year-old...…The parents who fought off a would-be kidnapper in a Costco parking lot over the weekend say the encounter has them uneasy and looking over their shoulders at all times."We got to thinkabout this idiot or any idiot creep,” father Peter Kopchak said. “You're alwayslooking over your shoulder."Saturday afternoon inthe parking lot of Costco in Vista, the couple was confronted by a stranger.That stranger, identified by the San Diego County Sheriff’s Department as Adam Glavinic, pulled open the couple's rear car door while they were backing out of a parking space and tried to snatch 2-year-old...WW…