Kim Kardashian has slammed her estranged ex-step dad,Caitlyn Jenner in the new season of Keeping Up With the Kardashians".
In a preview ,Kim is reading a page from Caitlyn's book.She says

"It says in Caitlyn's book, 'Robert Kardashian knew O.J. Simpson was guilty, but joined the defense team to get back at his remarried ex,'"
"'Robert told Caitlyn in secret after the O.J. murder trial that he believed his friend was guilty.'"

 After calling the excerpt from Jenner's book "shady," Kardashian admits in a confessional interview that she and the former Olympian have a "strained" relationship.

"I have always had Caitlyn's back," Kardashian says to her sisters in the clip. "but she is a liar. She is not a good person."