In 2013, Eliot Higgins used videos posted online from Syria to track weapons and pinpoint a chemical strike in Damascus from a computer in the English Midlands.This year, the British blogger and activist is using the same techniques to investigate the missiles in Ukraine believed to have brought down Flight MH17.
http://in.reuters.com/article/2014/08/06/security-socialmedia-idINKBN0G61LW20140806
http://uk.reuters.com/article/2014/08/06/uk-security-socialmedia-idUKKBN0G61MO20140806