The Islamic State militant group released a video Tuesday that it claimed shows the beheading of American journalist Steven Sotloff.
Authorities have identified a pilot killed in a plane crash on the Barry M. Goldwater Bombing Range near Yuma.
Yuma County Sheriff's officials say the victim was 49-year-old Denise Jeanette McCracken of Tucson.
McCracken's single-engine passenger plane went down Nov. 24 on the Cabeza Prieta National Wildlife Refuge.
The wreckage wasn't found until four days later by Border Patrol agents working in the area.
The Arizona Daily Star says McCracken left from an airport near Tucson, but authorities still aren't sure about her destination.
Authorities say the cause of the crash remains under investigation.
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