>> reporter: the name of an old high school classmate named dorothy ciner. although in his log he wrote that he didn't like wearing a wig. "it itched, it got in my eyes; unless it was on tight, which made my head sweat." but the version bob has told over the years, believes author matt birkbeck, doesn't tell the real story. certainly not of the famous killing of his elderly neighbor morris black. or of bob's activities in galveston and elsewhere. >> it was really strange, you know, him and black, palling around in galveston amongst the homeless. so what is a guy of his wealth and his family's influence doing stealing identities? >> reporter: in fact, in the spring of 2001, at the same time as he, as dorothy ciner, was living in galveston he rented