theory that it was rich who leaked tens of thousands of dnc e-mails to wikileaks. not the russians. and some claim he was murdered because of it. in may, fox reported they had proof the conspiracy theory about seth rich giving e-mails to wikileaks was real. >> if this is true, and seth rich gave wikileaks the dnc e-mails, this blows the whole russia collusion narrative completely out of the water. >> reporter: but it was not true, and seth rich's parents were outraged. amid mounting pressure, fox retracted the story. the fox news story was largely based on quotes from rod wheeler, a former homicide detective investigating the case. but now wheeler is suing fox claiming his quotes were fabricated. he says he got involved after being contacted by a well connected republican donor and trump supporter. the investigator says they went to the white house in april to discuss the seth rich story fox news was working on