the events in the house took place before they found John, and his son was locked in a safe the whole time. Upon their arrival, John is rescued by Amanda Young (previously introduced in Saw) who, having survived her trap, sees John not only as a savior, but as a mentor and father figure. By Saw III, John is on his death bed and extremely concerned over whether or not Amanda has what it takes to continue his legacy, as the traps she designs are inescapable. In his desperation, John administers a final test to her, in order to see if she was truly capable of carrying on his legacy. Meanwhile, Dr. Lynn Denlon is forced to keep John alive, while her vengeful husband, Jeff, undergoes tests of forgiveness. John attempts to keep Amanda from failing her test, however, after breaking down, she admits that she no longer believes in John's philosophy, and shoots Lynn. Witnessing this, Jeff kills Amanda by shooting her in the neck. After John explains to Jeff that this is his final test of forgiveness, Jeff slices John's throat with a power saw. As he dies, John pulls out a tape player revealing that Jeff failed his test by killing him, as he also abducted Jeff and Lynn's daughter, Corbett, and was the only person who knew about her whereabouts; Jeff would have to play another game to find her before she runs out of air. Saw IV opens with John's autopsy, during which a wax-coated tape is found in his stomach. The tape revealed to Detective Mark Hoffman that he would not go untested. The end of the film reveals that Hoffman is in fact another one of John's accomplices. Saw IV also explored John's history, more so than previously done in Saw II. From the story given in Saw IV, John was a successful civil engineer who got into property development, and was a devoted husband to his wife Jill Tuck who ran a recovery clinic for drug users, with the motto "Cherish Your Life". After the reckless actions of a patient named Cecil resulted in the loss of John's unborn child, John became detached and angry, which eventually led to their divorce. After being diagnosed with cancer and attempting suicide, as seen in Saw II, John began his work, and abducted Cecil as his first test subject, while wearing the first version of