taxpayers investigating whether one female air marshal had her car registered in the proper state. >> at the conclusion of that, she was notified that the car in question belonged to a different air marshal so they were dropping the inquiry. my almost 1-year-old child would probably be better at picking up the phone and driving the driver license bureau than these guys are. >> reporter: then there is the story of this woman, a girlfriend, now wife of an air marshal who complained to the department of homeland security she was followed, photographed and investigated by the air marshals all because, she says, her then-boyfriend had a workman's comp claim. >> americans' safety is being put on the back burner because, you know, we're 40 miles away from the airport investigating private citizens. >> reporter: despite repeated requests, the federal air marshal service and tsa declined to give cnn an interview. congresswoman sheila jackson-lee