FBI Investigates Step-Sibling in Teen's Death on Carnival Cruise

A new court filing in the death of 18-year-old Anna Kepner aboard a Carnival Horizon cruise ship shows that the FBI may be initiating a criminal case against one of her step-siblings who was also on the ship. NBC’s Jesse Kirsch reports for TODAY. » Subscribe to TODAY:    / @today   TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: https://www.today.com/ Find TODAY on Facebook:   / today   Follow TODAY on Twitter:   / todayshow   Follow TODAY on Instagram:   / todayshow   » Stream TODAY All Day: https://www.today.com/allday About: TODAY All Day is a 24/7 streaming channel bringing you the top stories in news and pop culture, celebrity interviews, cooking, and more. All in one place. #cruise #annakepner #fbi