Another reason the FBI may be involved is that there is tribal land in Twentynine Palms. We've got a National Park, a military base and now tribal lands all in the immediate vicinity. This could be a total jurisdictional cluster fudge.
http://29palmstribe.com/pdf/Twenty-Nine Palms Section Map revised map 2013.pdf
http://29palmstribe.com/pdf/Twenty-Nine Palms Section Map revised map 2013.pdf