Scams have been happening for many years, but unfortunately, they have grown exponentially in recent years. Maine.gov has a list of scams that have been documented as being done here in Maine.
I feel bad for the Dominoes Pizza delivery guy in Portland. He was making a stop on Congress Street last night to drop off a pie someone had ordered and, when he turned around, his car was being driven away by a thief. He called the police immediately to report it.