Answer: breakin

AnswerCrossword Clue
BREAKINWatergate, for starters
BREAKINCause for alarm
BREAKINBurglar's act
BREAKINPart of a heist, maybe
BREAKINIntrude
BREAKINRobbery
BREAKINInterrupt
BREAKINUnlawful entry
BREAKINPolice matter
BREAKINCause for an alarm
BREAKINBurglary ... or a hint to 17-18-, 26-29-, 47-51- and 62-63-Across
BREAKINMake a bad entrance?
BREAKINBurglary
BREAKINIllegal entry
BREAKINTrain a tyro
BREAKINTrain.
BREAKINInterrupt.
BREAKINTrain a tyro.
BREAKINThat which interrupts.
BREAKINEnter unlawfully
BREAKINBurglarize
BREAKINPick the lock
BREAKINPick a lock, say
BREAKINIt may be evidenced by shattered glass