Both sentences are correct with the punctuation and capitalization corrections Teechar suggests. They are true if the event happened the way it is described. They are false if the man opened the garage before the police arrived or if he never opened it at all.
Note my corrections above. However, please note that there is no need to write a new post to say "Thank you" or to indicate that you understand. Simply click on the Like and/or Thank buttons in the bottom left-hand corner of any post you find helpful.