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.
The singer's family has long claimed that Cooke's death was a part of a bigger conspiracy because of his active role in the civil rights movement as well as his connection to mob-connected music executives..