The show makes the common mistake that the NSA, which is an intelligence agency that accumulates information from various sources, also has agents that operate in the field. This isn't the case, as the Agency only accumulates information from sources, and passes it on to the appropriate agency (the FBI or CIA), who then send their agents into action.
Two things: Despite the fact that a dangerous man seems to be loose in the hospital, a) nobody entering a dark room turns on the lights and, b) everyone is allowed to roam alone, even after many people have been attacked.
Amanda is performing autopsies, or preliminary examinations, in a virtually dark morgue. She should have bright light allowing her to see everything without shadows.