As I guessed, Alicia will be part of episode 2×05, “Little Angels”. Here‘s a promo photo of this episode, with her as FBI agent Amy Rand.
There’s still no confirmed date, but the episode should air on October 12th, 2010.
PS: Site’s going public now. Coming soon: Galleries for Pensacola, Las Vegas, Touched by an Angel and Star Trek Voyager. Watch out!