YouTube, the whole ceramic tiles concept has been tested and determined quite effective but too heavy to be practical, hence why they are hanging from the fence. I don't know that they are ceramic plates per say. They might just be literal ceramic tiles from Lowes/Homeless Despot…
"Thoughts on ceramic plates (presumably body armor) inside two hanging bags on either side of the would-be shooter Routh's gun?
-
where obtained?
-
who knows to do this?
-
formal training or movies?
"Law enforcement found the rifle, a scope, two backpacks with ceramic tile and a GoPro camera in the bushes at the scene, officials said."