Ferguson has written about the US Department of Justice's problematic funding of big data surveillance technologies.
[2] Ferguson is also a Technology Fellow at the New York University School of Law's Policing Project.
Ferguson received his BA from Williams College in 1994 and his JD from the University of Pennsylvania School of Law.
Ferguson clerked for Carolyn Dineen King who is currently the Chief Judge of the United States Court of Appeals for the Fifth Circuit.
Ferguson was a supervising attorney for seven years at the Public Defender Service for the District of Columbia.