He first joined SCSJ in 2013 by way of a Soros Justice Fellowship from the Open Society Foundations, during which he focused on utilizing traffic stop data to challenge racial profiling practices by law enforcement. His efforts working with community organizers in Durham helped lead to a formal finding of “racial bias and racial profiling” by the Durham Police Department and a series of policy reforms aimed at deterring abusive stop-and-search practices. As a Staff Attorney, Mance’s practice includes cases involving police misconduct, prison conditions, and wrongful convictions. He also leads SCSJ’s Open Data Policing initiative.