It's kind of hard to prosecute someone on material support for terrorism when you have pictures of them getting handed awards from DoJ and FBI leaders for their supposed counter-terror efforts.
These indexes can be a little confusing to the uninitiated because the pictures rarely come with clear caption material, and you're not always sure what you are looking at.
Unlike progressive formats, which show the whole picture, interlaced material relies on the fact that two half-pictures will generally combine to make one whole picture.
Fitted in vehicles mainly for insurance purposes, the cameras store pictures on a hard drive in case of incident, and have provided a rich vein of material on social media and video-sharing websites.