Hi has any one else had a couple of guys (a white guy and a black guy) offering to do security checks on their house? We had some cold callers who said they were security consultants, who wanted to come into the house, they didn't have a card or id but were wearing ADT security bibs. We have a burglar alarm, they seemed suspicious and they didn't seem to be knocking on doors on the rest of the street. We didn't let them in. given spate of break ins in the area it would be good to be vigilant as they could be bogus.