Is aging sex bomb Linda Fiorentino getting real life mixed up with a spy movie? The star of The Last Seduction and Jade is dating an FBI agent and, say sources, taking more than a passing interest in his work. The agent, counterterrorism specialist Mark Rossini, recently transferred from Washington, D.C., to New York, partly, according to one source, to be closer to Fiorentino, with whom he's often seen dining at Elaine's, the uptown restaurant favored by the literary crowd.

Here's where it gets weird: Rossini has apparently been accepting—or soliciting—Fiorentino's help with criminal investigations, including the one against jailed private investigator Anthony Pellicano. "He's a big gossip," says one source. "He talks about all the help she's been giving him on cases." On another unrelated case, a different source recalls being surprised when he showed up for a meeting with FBI agents to find they had brought Fiorentino along with them. He says the actress seemed "really unstable."

Fiorentino has history with Pellicano: According to Hollywood, Interrupted, she has been on-and-off friends with his wife, Kat Pellicano, and offered her help in getting the PI's memoir made into a movie. Sources say Fiorentino has been exchanging letters with Anthony Pellicano for the past two years—letters whose content they suspect she's been relaying to her boyfriend. "She's playing both sides," insists one source.

Perhaps Fiorentino has too much time on her hands? According to her IMDB profile, she hasn't appeared in a movie since 2002's Liberty Stands Still.

Calls to Fiorentino, Rossini, Kat Pellicano, and Anthony Pellicano's attorney were not returned.

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