Government report : Overall , the GAO -- the investigative arm of Congress -- credited the Terrorist Screening Center , which compiles the government 's unified watch list , for making improvements in the system and providing a reliable single coordination point for terrorist screening data . Three quarters of a million names on `` watch list '' Multiple names or aliases add to list 's complexity , GAO report says . Score: 6
Government report : Three quarters of a million names on `` watch list '' Multiple names or aliases add to list 's complexity , GAO report says . Score: 6