Malaysian Plane Fell Into Ocean

"Guided by a principle of physics called the Doppler effect, the company, Inmarsat, analyzed tiny shifts in the frequency of the plane’s signals to infer the plane’s flight path and likely final location. The method had never before been used to investigate an air disaster, officials said."
SOURCE: NY Times http://www.nytimes.com/2014/03/25/world/asia/malaysia-airlines-flight-370.html?_r=0

Radar guns (used to catch speeders) worked on the Doppler effect.   There are cases where radar guns clock a tree doing 80 mph.   
SOURCE: JP
cf.  http://www.techdirt.com/articles/20080718/1234331725.shtml

1. Who shut down the transponder and why?
2. Why was this plane so far off course flying into the middle of nowhere?
3. Who is the mysterious woman who called the pilot just before takeoff?
4. Where is the pilots’ wife? Has she been questioned yet?
5. Was this a suicide mission or an act of terrorism?
6. Was this a hostage situation?
SOURCE: http://www.theabsurdreport.com/2014/malaysia-and-the-missing-777-by-the-bear/