[2016] Journalist’s tell-all on mobster tied to JFK might have gotten her killed By Susan Edelman  Shaw makes a compelling argument that Kilgallen was the victim of foul play, likely orchestrated by New Orleans Mafia don Carlos Marcello, who feared the results of her 18-month investigation for a tell-all book that would accuse Marcello of masterminding the JFK and Lee Harvey ­Oswald assassinations.