|Rubber bullet wounds.|
Joint Non-Lethal Weapons Directorate
The United States government has an entire department dedicated to finding ways to terrorize and inflict pain on people without killing them (too often). Some new examples are below.
The Pain Ray (aka) Active Denial System
LA County Sheriff's Department has some for use against jail prisoners.
US has signed a treaty against weapons that permanently blinds people, the Pentagon has been trying to get around the treaty by claiming their PHaSR (damn stupid name) only blinds people temporarily. They have even given it a cute descriptor (the Dazzler) to make it sound more like a toy than a weapon.
Long-Range Acoustic Device (LRAD)
Pulse Energy Projectile (PEP)
that doesn't mean we don't do it). But, what about a gas that turns a restive population into compliant drug-addled sheep?
More Details At:
Alternet - 6 Creepy New Weapons
Cracked - Non-lethal Weapon That Will Make You Wish You Were Dead