Shelby Must Face Her Fears on Tonight’s “Quantico” – Watch a Sneak Peek!

Tonight on Quantico, the NATS are given an unwinnable training exercise that hits too close to home for Shelby.

Meanwhile, in the future, Alex continues to try and stop the terrorist from striking again and finds an unlikely ally in Hannah.

“Clue” airs Sunday, April 3, 2016 at 10:00pm ET on ABC.

Check out some clips and stills from tonight’s episode below.

Photos: Philippe Bosse/ABC