1. Causes cerebral ischemia, cardiac arrest, and asphyxiation
2. New Hampshire and Washington are the only states who have use this method secondary to lethal injection.
3. 'The Gallows'

Also known as the gallows, execution by hanging is only used in the states of New Hampshire and Washington as a secondary method to lethal injection. Death results from the closure of carotid arteries, jugular veins, and airway; typically resultant of fractured cervical vertebrae.