in my opinion, he was guilty as the day he was born. >> narrator: this year, the case of cameron todd willingham is back in the news. a new controversy erupted over the key testimony from johnny webb-- that jailhouse informant who testified about willingham's alleged confession. >> that was one of the two pillars that sent todd willingham to the gurney. >> narrator: last month, webb agreed to a new interview: this one recanting his testimony. >> willingham never, ever, not once told me that he killed his family. he never said that. i was told to say that. you know, i'm sorry i lied about it. i wish i can change that. i can't. >> narrator: webb accuses the prosecutor, john jackson, of making a deal in exchange for his testimony. at the time, webb was himself facing charges in a robbery case. >> and he says, "so they made me promises. promised that i would get taken care of. that they would get me out early." >> narrator: and documents recently uncovered by the innocence project, a legal advocacy group, seem to support webb's story. >> you can't believe johnny webb just on his word. but when the d