Experts say thieves have been targeting mail carriers to get an arrow key, which allows carriers to open any mailbox in a given zip code.

Spray the lock mechanism on the inside of the mailbox generously. Spray into the turning mechanism. And even better, turn the ...

7 On Your Side Investigates uncovered an increase in criminals stealing postal keys to unlock your mailbox and steal your identity.

An employee with the United State Postal Service admitted Thursday to stealing checks from the mail and selling the key to co-conspirators to steal mail.