 Complete the following phrase:  In the mid-2000s, he joined Al-Qaeda in the Islamic Maghreb AQIM and became the deputy to Mokhtar Belmokhtar, an emir of AQIMs Sahelian Brigade. At some point during Belmokhtar and Ould Hamahas relationship it is believed that Belmokhtar married a daughter of Ould Hamaha, further strengthening their relationship. The Canadian diplomat Robert Fowler, who was abducted by AQIM in Niger in 2008, identified Ould Hamaha as one of his kidnappers. After 1 April 2012, he became publicly known as the spokesman of the Islamist militant group Ansar Dine. The MOJWA, in coordination with its allied Militant Islamist groups AQIM and Ansar Dine, took control of Northern Mali from the Battle of Gao in June 2012 until the French 