FAA declare's no-fly zone over Bundy Ranch area

Here's the FAA Notice:

FDC 4/1687 ZLA NV..AIRSPACE MESQUITE, NV..TEMPORARY FLIGHT RESTRICTIONS WITHIN AREA DEFINED AS 3NM RADIUS OF 364624N/1141113W (MMM71 RADIAL AT 4.3NM) SFC-3000FT AGL LAW ENFORCEMENT INVESTIGATION. PURSUANT TO 14 CFR SECTION 91.137(A)(1) TEMPORARY FLIGHT RESTRICTIONS ARE IN EFFECT. ONLY RELIEF AIRCRAFT OPERATIONS UNDER DIRECTION OF BLM ARE AUTHORIZED IN THE AIRSPACE. BLM TELEPHONE 702-335-3191 IS IN CHARGE OF ON SCENE EMERGENCY RESPONSE ACTIVITY. LOS ANGELES /ZLA/ ARTCC TELEPHONE 661-265-8205 IS THE FAA COORDINATION FACILITY. 1404112140-1405111434

Guess they don't want any media helicopters in the area.  You have to wonder why?