In March 2013, Abdi Farah Shirdon, Prime Minister in Somalia's newly recognized Federal Government, issued a letter to the U.S. Department of State requesting that Washington grant Samatar immunity from prosecution. Samatar was previously denied immunity mainly because there was at the time no strong central authority within Somalia to claim it on his behalf. According to Samatar's attorney, Joseph Peter Drenan, the gesture was an attempt on the Somali government's part to promote reconciliation. He added that the lawsuit was now likely to be dismissed, as the U.S. authorities were expected to honor the Somali administration's request. In March 2015, the US Supreme Court upheld the civil lawsuit against Samatar, dismissing his appeal.