Historical clue formulations

• See 43-Across — 2009-07-15
• "Trust No One" TV series, with "The" — 2007-11-20
• TV series whose finale was titled "The Truth," with "The" — 2007-10-12
• 1998 film thriller based on a TV series, with "The" — 2007-08-09
• Bizarre cases — 2004-02-28
• Unsolved cases, in TV lingo — 2003-11-23
• Agent Mulder's show, with "The" — 2003-03-18
• Alien landings, telepaths, etc. — 2001-02-06
• Creepy cases — 2000-04-02
• Theme of this puzzle, with "The" — 1997-11-28
• Fox Mulder's obsession — 1997-06-13
• Scully and Mulder's obsession — 1997-02-09
• Paranormal TV fare, with "The" — 1996-02-09