Throat Slicer (Combat)Source Heroes of the Streets pg. 29
Sometimes the only way to deal with those who see your illicit activities is to get rid of them.
Prerequisites: Base attack bonus +1.
Benefit: When using a 1-handed, light, or natural weapon, you can deliver a coup de grace to an unconscious, bound, or pinned target (though not other kinds of helpless targets) as a standard action.