most likely the tapes will be used and papers but the defense attorneys will paint Stefanelli as a killer just as they will paint Rossetti who was involved in 6 murders and sold heroin from his moms house well being an informant. The FBI might catch some heat for these informants, after Gravano people dont want to give killers and drug dealers deals especially when they committ these acts well being informants, the whole im doing the right thing excuse doesn't really work