Episode 27 of "Alias"
s02e05 The Indicator
Title: The Indicator
Original Air Date: 11/03/2002 on ABC
Director: Ken Olin
Writer: Jeff Pinkner
Guest Stars: Kevin West (SD-6 Agent Kelsey), Newell Alexander (Congressman), Stephen Markle (Senator Douglas), James Lesure (Agent Craig Blair), Vladimir Skomarovsky (Kholokov), Daniel Faraldo (Manolo), Amy Aquino (Agent Virginia Kerr), Sarah K. Peterson (Sydney At 6 Years Old), Kevin Sutherland (CIA Agent), Loren Hayes (CIA Strike Team Leader), Dan Istrate (Public Employee)
Plot Outline:
Sydney discovers a terrifying secret when she's sent on a case to track down a new generation of weapons. Meanwhile, Vaughn suspects Jack of setting up Sydney's mother to take a fall. Sloane tells Jack the truth about Emily's death.