Saudi Arabia, under mounting pressure, weighed a new public response to confront accusations its agents killed a dissident Saudi journalist, as President Trump dispatched his top diplomat to the kingdom and investigators searched the presumed crime scene in Istanbul for clues.

On Monday, Saudi officials were considering whether to say rogue operatives killed Jamal Khashoggi during an interrogation gone wrong, people familiar with the matter said, a move that could help the royal family distance itself from responsibility.

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