Eliot Higgins: New generation of digital detectives fight to keep Russia honest

Members a team of Dutch experts team work at the crash site of the Malaysia Airlines Flight MH17 near the village of Grabove in eastern Ukraine, on March 24, 2015.
Almost two years ago on July 17, 2014, a Buk missile downed Malaysia Airlines Flight 17 in eastern Ukraine, killing 298 passengers and their crew.