Answer: SABOTAGE

AnswerCrossword Clue
SABOTAGEActivity of subversive groups.
sabotagedeliberate injury to equipment or interference with production
sabotageto injure or attack by sabotage
sabotageto destroy maliciously
SABOTAGEHitchcock classic of 1936
SABOTAGEHitchcock thriller
SABOTAGEHitchcock classic, 1936
SABOTAGEObstruct deliberately
SABOTAGEThrow a monkey wrench into
SABOTAGE"Mission: Impossible" assignment, maybe
SABOTAGEDeliberately gum up the works
SABOTAGEPlanned destruction
SABOTAGEDeliberate subversion
SABOTAGEUnderground activity
SABOTAGEEnemy agent's act
SABOTAGESubversive act
SABOTAGEUndermine
SABOTAGEDestroy, figuratively.
SABOTAGEResistance specialty.
SABOTAGEStrategic monkey wrench in the works.
SABOTAGEMalicious undermining of a cause.
SABOTAGEUnderground activity in France.
SABOTAGE"Hogan's Heroes" activity
SABOTAGEDeliberate destruction
SABOTAGEHis 1936 film
SABOTAGEMole activity, possibly
SABOTAGE1936 Hitchcock thriller
SABOTAGELuddite's offense
SABOTAGEMonkey-wrenching
SABOTAGESpy's doing
SABOTAGEEnemy agent's strategy