noun
lock breaking; lock picking
Refers to the act of forcibly opening or manipulating a lock without a key. Can imply either destructive breaking or skillful picking, depending on context.
警察は錠前破りの手口を詳しく調べた。
The police investigated the method of lock picking in detail.
彼は錠前破りの道具を持っていた。
He had tools for breaking locks.