STANFORD LAW SCHOOL — Frank La Rue, former UN Special Rapporteur on the Promotion and Protection of the Right to Freedom of Opinion and Expression, has warned that disciplinary measures imposed on anti-corruption senior prosecutor Rafael Vela Barba violate Peru’s obligations under international law, in a brief filed on his behalf by the Rule of Law Impact Lab at Stanford Law School (SLS) before the Ninth Constitutional Judge of the Superior Court of Justice of Lima.