In this May 13, 2009, file photo, controversial French comic Dieudonne M'Bala M'Bala, known as Dieudonne, answers reporters as he heads for the interior Ministry to submit a list of candidates for the upcoming European elections, in Paris. The Paris prosecutor's office said Thursday Jan. 2, 2013, it is investigating threats against a comedian the French interior minister wants banned from the stage for what he says are racist and anti-Semitic performances.

Remy de la Mauviniere / AP File Photo

In this May 13, 2009, file photo, controversial French comic Dieudonne M'Bala M'Bala, known as Dieudonne, answers reporters as he heads for the interior Ministry to submit a list of candidates for the upcoming European elections, in Paris. The Paris prosecutor's office said Thursday Jan. 2, 2013, it is investigating threats against a comedian the French interior minister wants banned from the stage for what he says are racist and anti-Semitic performances.