"Dreams of a Random Capitalist" - espionage murder mystery, by Nick M. Lamanna, Jr.

http://www.amazon.com/dp/B00AEE0N0O
 
A Military Drone accidentally kills a Billionaire Humanitarian: yet an American Journalist investigating the accident discovers it was an assassination.  Following the money and interviewing several people, the Journalist uncovers a portrait of the victim as a complex person who had a murky past and practiced a uniquely benevolent philosophy of capitalism.