even though nato's top commander, american general philip breedlove, said recently, that russia has been providing air defense training to the pro-russian rebels. >> why this malaysian flight did not file to go left or right and not over the combat zone is still a mystery tonight. >> reporter: on the ground, photographer and abc news prelance producer, john wendle, was one of the first journalists to arrive at the horrific crash scene. he was touring the wreckage with russian separatist leaders, now in control of the region, narrating the gruesome scene to abc's george stephanopoulos. >> who was talking to you there? >> sorry. it's a rebel with a weapon. he just pointed out with a flashlight on the ground that there's -- there's blood splattered everywhere. and pieces of -- pieces of remains. oh, man.