Safecracker (noun)

1. A person who opens safes illegally or without the owner's permission.
2. A professional thief who specializes in breaking into safes and locks to steal their contents.

Origin:

Late 19th century: from safe + cracker.

Examples:

1. The safecracker was known for his skills in opening the most advanced and secure safes.
2. The police were looking for the safecracker who had broken into several banks and stolen large amounts of money.
3. The safecracker was hired by wealthy clients to open safes and retrieve important documents and valuables.
4. Safecracking was a risky business, and many safecrackers were caught and sent to prison.
5. The safecracker's reputation was based on his ability to open any safe without leaving any signs of his work.