If so, I’m guessing that he wasn’t allowed to discuss the case with the police or other DAs.
“Fabrication Of evidence during an investigation does not, by itself, iolate the Constitution” -Elena Kagan, then Solicitor General of the US (2009)
“We do not see how the existence of a false police report, sitting in a drawer in a police station, by itself deprives a person of a right secured by the Constitution and laws.” (Pottawattamie vs. McGhee)