A video footage put up by Oklahoma cops shows an officer shooting a black man, mistaking a gun for a taser.
A 73-year-old man who was serving as a "reserve deputy" because he gave generously to a local police department, has been charged with manslaughter after video showing him shooting an unarmed, fleeing suspect went viral.
Scientists find Naegleria fowleri, a brain-eating amoeba found in tap water, having killed a five-year-old Louisiana boy.
