Isopropyl alcohol 70% is used as an ingredient in alcohol swabs and alcohol wipes for wound cleaning, it is found in hand sanitizers, and in ear drops to prevent swimmer's ear.
Sam Cooke's death being a perfect example. Cooke's demise in the wee hours of Dec. 11th. 1964 (at the hands of terrified motel manager, Bertha Franklin, who was armed with a .22 handgun and a broom stick) has sparked the imagination of conspiracy theorists.
In 1974 Herb Coleman was shot to death in Paris, France. Lee Gaines died of cancer in 1987 in Helsinki, Finland.