Cape Town ? Cailtyn Jenner claims she never originally told the Kardashian family about her gender reassignment surgery because she thought they might leak it. In a sit-down interview with Piers Morgan the 68-year-old opened up about why she kept her final surgery from her ex-wife, stepchildren and two youngest daughters. Shortly after Caitlyn?s book was published Kim Kardashian called her out for sending her the unfinished copy which had left out two vital sections that Caitlyn discusses. WATCH THE VIDEO HERE: Now, Caitlyn has revealed that she never told them because she didn?t trust them.