Following a milkshake poisoning scandal from the summer of 2020, a shake shack employee has filed a federal defamation lawsuit against NYPD unions. Marcus Gilliam claims he has suffered from a ruined reputation as a result of the unions repetitively and publicly accusing him of putting bleach into milkshakes despite the investigation announcing that no such thing occurred. He is asking for unspecified damages.
See "NYPD Unions sued for defamation by Shake Shack manager", Craig McCarthy and Tamar Lapin, New York Post, June 15, 2021