Clues for the word "SHOTDOWN"

We've had 5 crossword clues used for this word, and seen it 4 times in crosswords. It was last seen in Evening Standard Cryptic crossword on February 03, 2017.

Referring Clues

Discredited, as a theory
*Nixed
Debunked
Disproved one's argument as to how the pilot got captured?
Discredited

Last Seen In

Evening Standard Cryptic - February 03, 2017
LA Times - December 28, 2015
LA Times - July 07, 2010
New York Times - August 15, 1999