ALEC Baldwin accidentally shot and killed a cinematographer while leaving its director in a critical condition after shooting a prop gun on set of his new movie, Rust. But what exactly is a prop gun – ...

Summary and Key Points: Despite the dominance of semi-automatic pistols in military, law enforcement, and civilian self-defense, revolvers remain a practical choice for personal protection.

BBC News Online examines the technology behind the electric stun guns which police in London are considering as a non-lethal way of dealing with violent suspects. The air taser gun looks like a pistol ...