| 2/5/2001 | FBI surveillance personnel observes Hanssen driving past the Foxstone Park signal site three times that evening. |
| 2/12/2001 | FBI surveillance personnel finds a package concealed at a dead-drop site. FBI again searches Hanssen's Ford Taurus. |
| 2/18/2001 | Hanssen is arrested on espionage charges at a drop site in a Fairfax Park. |
| 2/20/2001 | Hanssen appears in a U.S. District Court in Alexandria, VA, with his attorney Plato Cacheris and enters a plea of Not Guilty. |
| 5/31/2001 | Hanssen arraigned in U.S. District Court in Alexandria, VA, after plea negotiations between the government and his attorney break down. He enters a plea of Not Guilty. |
| 7/6/2001 | Hanssen pleads guilty to espionage charges. |
| 5/10/2002 | Hanssen is sentenced to life in prison without parole. |