UPDATED | December 12, 2016 9:25 PM


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UPDATE:  Sources tell CBS News Exxon Mobil CEO Rex Tillerson is Trump’s pick for Secretary of State.

(AP) – President-elect Donald Trump revealed his plans about announcing his choice for Secretary of State, Monday night on Twitter.

His search for the country’s top diplomat has stretched out in a highly public fashion for weeks.

Exxon Mobil CEO Rex Tillerson has emerged as the leading candidate. He has met twice with Trump during the past week.

Exxon Mobil chairman and CEO Rex Tillerson speaks at a discussion organized by the Economic Club of Washington on the energy innovations that have led to a new era of energy abundance for North America in Washington, DC on March 12, 2015. (NICHOLAS KAMM/AFP/Getty Images)

Exxon Mobil chairman and CEO Rex Tillerson (NICHOLAS KAMM/AFP/Getty Images)

Trump has been considering former Massachusetts Gov. Mitt Romney, once a vocal Trump critic and Sen. Bob Corker of Tennessee, who leads the Foreign Relations Committee.

In an interview with “Fox News Sunday,” Trump pointed to Tillerson’s deep relations with Moscow as a selling point. As Exxon Mobil’s head, Tillerson maintained close ties with Russia and was awarded by President Vladimir Putin with the Order of Friendship, an honor for foreign citizens.

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