The Chicago Police Department posted the video to their Facebook page.
Among the tips for trick-or-treaters: walk with an adult, and never enter a strangers house or car. Wear reflective clothing or carry a flashlight or glow sticks to be more visible to drivers.
In terms of picking out the perfect costume, the officers recommend wearing makeup instead of a mask, because a mask can obstruct vision.
Parents should always inspect candy before children dig into their sweet treats!