The Dangers of Letting Someone You Don't Know Into Your Home

What starts with a simple knock on the door can turn into a violent robbery. Some criminals are posing as utility workers or delivery drivers to break into residences, tricking unsuspecting people into opening their doors and allowing thieves into their homes. To see if homeowners are vulnerable to this type of crime, Inside Edition outfitted former law enforcement officer and security consultant Steve Kardian with a hard hat, vest and clipboard, and sent him to knock on doors around New York.