( CNN) Hands doused with nerve agent, radioactive tea, a poison dart hidden in an umbrella.

A source familiar with the investigation into Khashoggi's disappearance said the Turkish authorities have evidence presenting he was killed inside the consulate. Riyadh has so-far securely denied any involvement in the journalist's disappearance and asserts he left the consulate unharmed.

But while the Saudis have faced some fallout for the apparent disappearing, if not outright murdering, of one of their citizens in a foreign country — some investors and media figures have pulled out of deals and conferences in the Kingdom — the wealth and power of the regime is such that even though it is Khashoggi's assassination is corroborated, repercussions will likely be short lived.

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