Developer tied to Texas AG says feds tampered with warrants

On a summer morning last year, FBI agents arrived at the home of a prominent real estate developer in Austin and began scouring the palatial French-style chateau for documents, videos and photographs as part of an investigation that remains under wraps.Nate Paul alleges in a criminal complaint obtained by The Associated Press that the agents detained him during their hours-long search and repeatedly refused to show him their warrant.Meanwhile, details of the FBI probe remain undisclosed.