ISIS murder victim Kayla Mueller’s parents offer full endorsement of Kash Patel for FBI director.

Carl and Marsha Mueller, the parents of ISIS murder victim Kayla Mueller, exclusively spoke with Fox News Digital on their endorsement of Kash Patel to lead the FBI. Carl and Marsha Mueller, the parents of ISIS murder victim Kayla Mueller, exclusively spoke with Fox News Digital on their endorsement of Kash Patel to lead the FBI.