From the Baltimore County Police Department:
Please be mindful of persons on the businesses grounds that are unfamiliar to the company. Recent burglaries have occurred in the area, with a subject entering unlocked building doors dressed to look like a client or an employee. The subject has been seen with bags or will will take carrying bags from the offices to remove laptops. Again, please lock doors when possible, keep an eye out for subjects that may not be expected at the business, and contact 911 for any suspicious subjects.