FOX NEWS: In-depth look at the important events and the key people who have shaped the course of Robert Mueller's investigation

In-depth look at the important events and the key people who have shaped the course of Robert Mueller's investigation



2019 is poised to be a busy year for special counsel Robert Mueller, who many expect to finalize his report into Russian interference in the 2016 presidential election; chief intelligence correspondent Catherine Herridge reports from Washington.

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