Musk has spoken about his prescription ketamine use in the past. Last March, he told journalist Don Lemon that he uses a “small amount” of ketamine about once every other week. The ketamine, he said, is prescribed by “an actual, real doctor.”

It was a rough last day in government for Elon Musk who showed up to the Oval Office for a sendoff with a black eye just hours after new bombshell reporting on allegations of his voracious drug use,” says Chris Hayes on the New York Times reporting.