Mark focuses on strategic litigation and public policy related to immigration enforcement and detention. He has provided technical expertise in the drafting and passage of multiple immigration “sanctuary laws” nationwide, as well as laws that limit local governments and private prison companies from contracting to perform immigration detention. NIJC’s work on enforcement issues was recognized with the 2014 Daniel Levy Award of the National Immigration Project. Mr. Fleming has been quoted in various national media outlets and appeared in a PBS FRONTLINE documentary on ICE enforcement and detention.