A package can be described as a box, backpack, briefcase that is left unattended and is out of place. If the package appears to have wiring or a timing device, call law enforcement. Some mail rooms have installed a small x-ray machine for screening incoming packages. The likelihood is that a package is not going to be anything dangerous, but clearly all precautions need to be taken, says the author of the book, “How to Handle a Bomb Threat” See how to handle a package at CNN.com/suspectation.”]
Source: https://www.csoonline.com/article/2122016/suspicious-packages.html