Philip Seymour Hoffman was a wonderful actor. I enjoyed his talent in Moneyball, Hunger Games, and Charlie Wilson's War to name just a few.
He prepared a Will in 2004 and there appears to be some potential problems, namely that he left out two of his children, yet planned a testamentary trust for his oldest child. You can find more details in this article by the DailyDish.
Don't make these mistakes with your estate plan.