Erica Evans is played by Elizabeth Mitchelll on V.
The character is an agent with the FBI’s Counter Terrorist Division. She’s also a single mom, trying to raise a male teenager teenaged son. Her only goal, once the Visitors arrive, is to keep her son safe.
Jack: You're an FBI agent?
Erica: You're a friggin'priest?
Erica: I am here for you.
Tyler: Yeah. When you're here.