"This individual appears to know what he's doing or appears (it’s) something he's done in the past. We're concerned not only for our facilities our employees, but also the public who might come in contact with this individual, " Dave Schroader with the U.S. Postal Inspection Service said. Breaking into a postal facility is a federal crime and typically carries a harsh sentence -- if caught and convicted, the man could spend up to five years in a federal prison. If you know who this guy is, or anything about this post office heist, call the US Postal Inspection Service at 877-876-2455.