McKenzie Lee, a 44-year-old divorcee and mom, is enjoying a quiet afternoon at home, sitting on her couch and reading, when she hears a knock on the door. She'd rather not be bothered, but when she opens the door, she sees two men standing there and invites them in. 'We're here to do some community service,' one of them says, 'and we were wondering if you needed our assistance.' 'You know what?' she says.