His favourite tool is the European Convention on Human Rights (ECHR), which is applied in a realistic and courageous fashion by the European Court of Human Rights in Strasbourg.
For issues of violence by state agents (police brutality or violence in prisons) the United Nation Convention Against Torture (CAT) is also of great use. Together, these two Conventions afford an optimal protection to victims of State violence, though national Courts are usually reluctant to enforce them.
Pierre BAYENET will advise you on any possible appeal to a supra-national jurisdiction or commission. He will prepare and file your application, assist and represent you when needed.
Beware, the conditions of admissibility for international jurisdictions are strict. Among others, domestic remedies must in principle be exhausted (see art. 21 § c CAT and art. 35 ECHR). For the European Court of Human Rights, the application must be filed within six months from the date on which the final national decision has been taken (art. 35 ECHR)