'NCIS: New Orleans:' Top 10 moments from 'Aftershocks'

"Aftershocks" -- The NCIS team partners with several federal agencies to track a sniper who is targeting crowded events in the city. Also, FBI Special Agent Tammy Gregorio (new cast member Vanessa Ferlito) arrives to investigate Pride and his team, on the third season premiere of NCIS: New Orleans, Tuesday, Sept. 20 (10:00-11:00 PM, ET/PT), on the CBS Television Network. Pictured L-R: Vanessa Ferlito as FBI Special Agent Tammy Gregorio, Lucas Black as Special Agent Christopher LaSalle, Shalita Grant as Sonja Percy, and Scott Bakula as Special Agent Dwayne Pride Photo: Skip Bolen/CBS ©2016 CBS Broadcasting, Inc. All Rights Reserved