When Jovanny Vargas said goodbye to his twin daughters as they left for a school field trip, it was the last time he would see 10-year-old Miranda. The elderly school bus driver missed an exit and attempted a u-turn on the busy NJ highway. A truck slammed into the bus. Miranda and teacher Jennifer Williamson died. The bus driver, 77-year-old Hudy Muldrow Sr., had a license at the time, but it had been suspended 14 times. Nancy Grace visits with the father who is campaigning for better school bus safety. They're joined by Det. Christine Mannina -- a former Indianapolis homicide detective who hosts the "Mannina Files" podcast, psychologist Caryn Stark, juvenile judge and lawyer Ashley Willcott, and reporter Chuck Roberts.


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