military trucks and armored personnel carriers. we're approaching a checkpoint flying the russian flag where troops are searching cars, targeting media crews, and confiscating equipment. we hide our cameras as soldiers search our van. one of them is spotted, it's taken and turned off. this is now effectively part of russia and they don't want us filming the evidence. the local soldier in charge agrees to an interview. we're defending our people, he tells me, this is not about russia, but about protecting our homeland. as we drive through the check point, we see the new border that's being erected on this wind swept plain. once out of view from russian troops we stop the car and resume filming. russia says it has no presence on the crimea peninsula, here is your proof. the russian troops are dug in