The Islamic State militant group released a video Tuesday that it claimed shows the beheading of American journalist Steven Sotloff.
The FBI has confirmed that 35-year-old Adam Mayes was killed Thursday evening.
12-year-old Alexandria Bain and 8-year-old Kyliyah Bain are safe.
Mayes died of a self-inflicted gunshot wound to the head.
Mayes was added to the FBI's Most Wanted list Wednesday for the murder of Jo Ann Bain, and her 14-year-old daughter, Adrienne.
Stay tuned to 9 news at 10 and WAFB.com for the latest updates.
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