A source briefed on the investigation into the death of 18-year-old Anna Kepner – who was found dead onboard a Carnival cruise ship – told ABC News she died by asphyxiation resulting from an arm being held across her neck. Victor Oquendo has the latest. https://abcnews.link/rrOe1Ho | ABC World News Tonight with David Muir

The stepbrother of 18-year-old Anna Kepner, found dead on a Carnival cruise ship earlier this month, is being looked at by the FBI in connection to the teen’s death, according to a legal document in a separate case. NBC News’ Jesse Kirsch reports from Miami. | NBC News