Cards 1 & 2 of six representing the possible murder weapons.

A Neurto-Stim would cause unbearable agony by stimulating the nervous system at a distance. I think it resembles a mouse mainly be coincidence. It is, after all, the perfect fit for a human hand, and I designed all this skiffy junk carefully...

A blaster is the workhorse of space opera. It's never been quite clear just what a blaster is, though. A force beam? A disintegrator? Some authors made careful distinction of such things, but others didn't. We can safely assume a blaster is not a stun-gun, though.