and bob durst's eyes are not blue.aid chief mills, gomes didn't come forward until months after the incident. >> what we don't want to do is just take something that's, you know, sensational and plug that person into the midst of an investigation that may or may not have anything to do with him. >> reporter: but the investigation continues. and some, like birkbeck, believe there may be more. >> i've never said definitively that he was a serial killer. what i said was that there's so much out there about him, that clearly there's something going on here. and that law enforcement needs to look into it and, thankfully, they are doing it now. >> reporter: waste of time, said dick deguerin. >> well, there's no evidence. and to think, you know, the -- they have to have a theory that he's some kind of serial killer. he's not a serial killer. >> but the notion of robert durst as a serial killer has come up. you know, a guy who -- >> well, sells. it sells magazines. it sells books and causes people to turn on their tvs. >> repo