Not that it's an excuse but I'd assume the "gift" is a result of having to cut the lock. Typical disgruntled, powerless employee trying to feel powerful.
Or a potential PO'd thief unable to finish the job. TSA thievery has started to become more common. Here are three cases just in the last few months, by no means a complete list.
Tomorrow is the most important thing in life. Comes into us at midnight very clean. It's perfect when it arrives and it puts itself in our hands. It hopes we've learned something from yesterday.