A person commits a misdemeanor of the second degree if he harms another by any unlawful act in retaliation for anything lawfully done by the latter in the capacity of public servant.
18 Pa.C.S. § 4703
Retaliation for past official action
Known as the Crimes Code
The act spans §§ 18-101 to 18-9546 (603 sections).
Official source: Pennsylvania General Assembly. Reproduced from public-domain Pennsylvania statutes; confirm against the official source for the current text. Not legal advice.