U.S. outlines downed plane case against Russia

WASHINGTON -- Video of a rocket launcher, one surface-to-air missile missing, leaving the likely launch site. Imagery showing the firing. Calls claiming credit for the strike. Recordings said to reveal a cover-up at the crash site.

"A buildup of extraordinary circumstantial evidence ... it's powerful here," said Secretary of State John Kerry, a former prosecutor, and it holds Russian-supported rebels in eastern Ukraine responsible for shooting down Malaysia Airlines Flight 17, with the Kremlin complicit in the deaths of nearly 300 passengers and crew members.

"This is the moment of truth for Russia," said Kerry, leveling some of Washington's harshest criticism of Moscow since the crisis in Ukraine began.

"Russia is supporting these separatists. Russia is arming these separatists. Russia is training these separatists, and Russia has not yet done the things necessary in order to try to bring them under control," he said.

In a round of television interviews, Kerry cited a mix of U.S. and Ukrainian intelligence and social media reports that he said "obviously points a very clear finger at the separatists" for firing the missile that brought the plane down.

"It's pretty clear that this is a system that was transferred from Russia into the hands of separatists," he said.

Video of an SA-11 launcher, with one of its missiles missing and leaving the likely launch site, has been authenticated, he said.

An Associated Press journalist saw a missile launcher in rebel-held territory close to the crash site just hours before the plane was brought down Thursday.

"There's a buildup of extraordinary circumstantial evidence," Kerry said. "We picked up the imagery of this launch. We know the trajectory. We know where it came from. We know the timing, and it was exactly at the time that this aircraft disappeared from the radar. We also know from voice identification that the separatists were bragging about shooting it down afterward."

In one set of calls, said by Ukrainian security services to have been recorded shortly after the plane was hit, a prominent rebel commander, Igor Bezler, tells a Russian military intelligence officer that rebel forces shot down a plane.

Shortly before Kerry's television appearances, the U.S. Embassy in Kiev, the Ukrainian capital, released a statement saying experts had authenticated the calls.

"Audio data provided to the press by the Ukrainian security service was evaluated by intelligence community analysts who confirmed these were authentic conversations between known separatist leaders, based on comparing the Ukraine-released Internet audio to recordings of known separatists," the statement said.

A new set of recordings apparently made Friday also appears to implicate rebels in an attempted cover-up at the crash site.

In one exchange, a man identified as the leader of the rebel Vostok Battalion Alexander Khodakovsky states that two recording devices are being held by the head of intelligence of the insurgency's military commander. The commander is then heard to order the militiaman to ensure no outsiders, including an international observation team near the crash site at the reported time of the call, get hold of any material.

The man identified as Khodakovsky says he is pursuing inquiries about the black boxes under instructions from "our high-placed friends ... in Moscow."

In another conversation with a rebel representative at the crash site who reports finding an orange box marked as a satellite navigation box, Khodakovsky is purported to order that the object be hidden.

U.S. aviation safety experts say they are especially concerned the site will be "spoiled" if it cannot be quickly secured by investigators. Based on photographs, they say it is a very large debris field consistent with an in-flight explosion and the main evidence to be collected would be pieces of the missile.

Because the integrity of the plane and actions of the pilots are not an issue, the experts do not believe the flight recorders will yield much useful information.

U.S. and Ukrainian authorities have been at the forefront of accusations that the separatists, aided by Russia, are responsible, although other countries, including Australia and Britain have offered similar, if less definitive, assessments.

British Prime Minister David Cameron said in an unusual front-page piece in the Sunday Times that there is growing evidence that separatist backed by Russia shot down the aircraft.

"If President (Vladimir) Putin does not change his approach to Ukraine, then Europe and the West must fundamentally change our approach to Russia," Cameron wrote.

Putin and other Russian officials have blamed the government in Ukraine for creating the situation and atmosphere in which the plane was downed, but have yet to directly address the allegations that the separatists were responsible or were operating with technical assistance from Moscow.

In his interviews, Kerry accused Russia of "playing" a dual-track policy in Ukraine of saying one thing and doing another. That, he said, "is really threatening both the larger interests as well as that region and threatening Ukraine itself."

He lamented that the level of trust between Washington and Moscow is now at a low ebb, saying it "would be ridiculous at this point in time to be trusting" of what the Kremlin says.

Kerry also said the administration was hopeful that the incident would galvanize support in Europe for increasing sanctions on Russia over its overall actions in Ukraine.

"We hope this is a wake-up call for some countries in Europe that have been reluctant to move," Kerry said, noting that President Barack Obama had signed off on a new round of sanctions on Russia the day before the plane went down.

Kerry made his comments in appearance on five talk shows: CNN's "State of the Union," "Fox News Sunday," CBS's "Face the Nation," NBC's "Meet the Press," and ABC's "This Week."

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Associated Press writers Peter Leonard in Kiev, Ukraine, and Joan Lowy in Washington contributed to this report.