Dunne had been receiving stem cell treatments in Europe for bladder cancer . He was working on his final book , due out in December . Marc Juris , truTV 's executive vice president , recalled Dunne as `` a master storyteller ... who always kept his eye on the human story behind the crimes . '' He covered the lives of the wealthy and notorious for Vanity Fair . He also wrote best - sellers and hosted a show on truTV .
Dunne had been receiving stem cell treatments in Europe for bladder cancer . He was working on his final book , due out in December . He covered the lives of the wealthy and notorious for Vanity Fair . He also wrote best - sellers and hosted a show on truTV .