0:59ABC NewsFebruary 28, 2019Mueller probe by the numbersSpecial counsel Robert Mueller's investigation was charged with examining possible collusion between Russia and the Trump campaign.Up Next in newsRoger Stone indicted by Mueller teamJanuary 25, 2019Trump weighs in on potential release of the Mueller reportFebruary 21, 2019Mueller expected to file sentencing memoFebruary 23, 2019