CASMAS is a human rights group concerned with the Arab slave trade

Arab slave trade

The Arab slave trade was the practice of slavery in the Arab World, mainly Western Asia, North Africa, East Africa and certain parts of Europe during their period of domination by Arab leaders. The trade was focused on the slave markets of the Middle East and North Africa...

 that they say still exists today in the Islamic republic of Mauritania and the Republic of Sudan. The Executive Director of CASMAS is Samuel Cotton, the author of a factual account of slavery in Mauritania called Silent Terror: A Journey into Contemporary African Slavery.