“I’m sorry, counselor, I’d rather blow the goddamn case.”
While on trial and his lawyer asked him to stop wearing $350 suits, which were hurting his case with the jury, and to switch to clothes from the plain pipe rack.
as quoted in The Mafia Encyclopedia, written by Carl Sifakis, p. 125 http://books.google.com/books?id=jgCpxTpPCPcC&pg=PA125&lpg=PA125&dq=frank+costello+I%27d+rather+blow+the+case&source=bl&ots=RDPUk332jm&sig=nFLz8Y5VFBvsBva3YH2pO_8cyTw&hl=en&sa=X&ei=xsupUqXfLsjgyQGH14DYAQ&ved=0CDcQ6AEwAw#v=onepage&q=frank%20costello%20I%27d%20rather%20blow%20the%20case&f=false