Megyn Kelly slammed disgraced football star O.J. Simpson as a “double murderer” shortly after his family confirmed he’d passed away following a battle with prostate cancer. On the Thursday, April 11, installment of “The Megyn Kelly Show” podcast, the journalist described Simpson as “one of the most famous — or infamous — people in the world” after he was accused of killing ex-wife Nicole Brown Simpson and friend Ron Goldman in 1994. Kelly emphasized that the former couple’s two children — who were only 8 years old and 5 years old at the time — “were steps away inside the house” while their mot…