Ese Olumhense, freelance journalist and former Ida B. Wells fellow at The Investigative Fund at the Nation Institute, discusses her City Limits report on how NYCHA crime witnesses face obstacles when they seek safety. Plus: Gregory Umbach, assistant professor at John Jay College of Criminal Justice and author of The Last Neighborhood Cops: The Rise and Fall of Community Policing in New York’s Public Housing (Rutgers University Press, 2011), talks about crime rates in NYCHA housing.