April 30, 2001: Levy is seen at a health club near her apartment in Washington, D.C.
May 1: Levy spends much of the morning surfing the Internet, logging off at 1 p.m. Until Wednesday, it was the last trace of her, police say.
May 6: Unable to reach their daughter, Dr. Robert and Susan Levy call Washington police to report her missing. They also call their congressman, Rep. Gary Condit, D-Calif.
May 10: Condit contributes $10,000 to a reward fund and issues a statement that describes Levy as a "great person and good friend." A search of Levy's apartment finds no sign of foul play.
May 16: Several news organizations obtain an e-mail, written by Levy in December, in which she talks about an unidentified romantic interest with ties to Congress. Condit aides deny their boss had an affair with Levy.
June 21: Susan Levy and Condit, accompanied by lawyers, meet in a Washington hotel.
July 2: Flight attendant Anne Marie Smith alleges Condit asked her to sign a declaration denying what she described as a 10-month affair. She also says Condit encouraged her not to talk to investigators looking into the Levy disappearance. Condit denies asking anyone not to cooperate, but he does not dispute the affair.
July 6: Levy's aunt, Linda Zamsky, issues a statement saying Levy told her about an affair with Condit. Later that day, Condit submits to a third police interview; during it, a source says, he admits to a romantic relationship with Levy.
July 10: With Condit's consent, police and FBI agents search his Washington apartment.
July 12: Federal prosecutors say they are investigating whether Condit impeded the search for Levy. Condit takes a lie detector test arranged by his lawyer, who later announces the test found Condit was honest when he said he had nothing to do with Levy's disappearance.
Aug. 23: Condit submits to his first interview since the disappearance and denies involvement in Levy's disappearance.
Nov. 15: A Washington grand jury subpoenas Condit's telephone message slips, calendars and other documents.
March 5, 2002: Condit loses the Democratic congressional primary.
May 22: A man walking his dog finds a human skull and bones in a heavily wooded section of Washington's Rock Creek Park. Dental records confirm the remains are Levy's.