Last year, a judge ruled that Mr Duvalier should be tried for embezzling public funds but that the statute of limitations had run out on charges of murder, arbitrary arrest, torture and disappearances.

BBC: Haiti's ex-ruler 'Baby Doc' Duvalier attends court

In January 2012, a court decided Mr Duvalier should stand trial for embezzling public funds but ruled that the statute of limitations had run out on charges of murder, arbitrary arrest, torture and disappearances.

BBC: Haiti's 'Baby Doc' Duvalier avoids appearing in court