The weapons that are melted into Humanium Metal have been cleared for destruction by relevant public national authorities. Every single weapon destroyed to become Humanium Metal has gone through a thorough process of verification and origin before it is cleared for destruction. These firearms have been seized after having been used in serious crime, e.g the killing of a police officer or homicide in domestic violence. The weapons used in the watches are from El Salvador, one of the countries most affected by gun violence in the world.