Police are always scrutinized under a microscope when it comes to their job. I think these videos are important because it shows just how alert and aware police have to be at all times while they're wearing their uniforms. When there are officer involved fatal shootings, the media & people's reactions can cover a broad spectrum ranging from outrage and protests to fully backed support.
This video shows you 3 different police officer's body cameras as they make contact with a suspect. Just how quickly things can go south is crazy, but it really helps you to understand how sometimes lethal force becomes the only option left.