Special counsel Robert Mueller has not publicly uttered a single word about the direction of his high-stakes Russia probe. But the way he’s assigned the 17 federal prosecutors on his team — pieced together by POLITICO from court filings and interviews with lawyers familiar with the Russia cases — gives insight into how he’s conducting the investigation and what might be next. His most experienced attorneys have discrete targets, such as former Donald Trump campaign chairman Paul Manafort, former national security adviser Michael Flynn and current White House aides. Mueller’s longtime chief of staff is coordinating all the lawyers, including...