Emblem of the NICS. The National Instant Criminal Background Check System (NICS) is a U.S. system for determining if prospective firearms or explosives buyers' name and birth year match those of a person who is not eligible to buy.
Paul Gray, who founded heavy-metal band Slipknot, died of a drug overdose in an Iowa motel in 2010. His doctor, Dr Daniel Baldi, faces 9 counts of involuntary manslaughter stemming from the deaths of Gray and others he prescribed drugs to.
Ingesting silver compounds, such as in medicines, can sometimes irritate the stomach. Prolonged exposure to silver dust or to the silver compounds in medicines or supplements can also result in a permanent blue-gray staining of the eyes, nose, mouth, throat and skin. This blue-gray staining is known medically as argyria. The condition can make people look ill, as if they suffering from lack of oxygen.