Dave Grohl paid for Reed Mullin’s rehab before his death in 2020, bandmate confirmsDave Grohl once lent a helping hand to Corrosion Of Conformity drummer Reed Mullin, paying for his rehab before his tragic death in 2020. Now, his fellow bandmate Pepper Keenan has revealed in a new interview that the Foo Fighters frontman tried to help Mullin through his substance abuse struggles. He then added, “And Dave Grohl offered help – Dave Grohl had helped him with rehab, paid for it out of his own pocket, which was very kind. Grohl and Mullins were previously acquainted via the supergroup Teenage Time Killers, which included Slipknot’s Corey Taylor, Nick Oliveri, Randy Blythe, and former Dead Kennedys frontman Jello Biafra. Grohl, Mullin and friends released their debut album as Teenage Time Killers, titled Teenage Time Killers: Greatest Hits Vol.