Louisiana Revised Statutes Tit. 40, § 2537. Whistleblower protection and cause of action

A. No police employee shall be discharged, demoted, suspended, threatened, harassed, or discriminated against in any manner in the terms and conditions of his employment because of any lawful act engaged in by the employee or on behalf of the employee in furtherance of any action taken to report malfeasance in office by police employees to law enforcement, whether such fellow employee is a co-worker, supervisor, or subordinate.

C. A plaintiff shall not be entitled to recovery pursuant to this Section if the court finds that the plaintiff instituted or proceeded with an action that was frivolous, vexatious, or harassing.