On the anniversary of Robert Mueller taking over the investigation into possible Russian collusion in the 2016 election, AP Reporter Eric Tucker reflects on the case: who has been questioned, who has been charged and what is yet to come. (May 17) AP

WASHINGTON — The cost of the ongoing investigation into Russia’s interference in the 2016 election is now near $17 million, according to a new accounting filed Thursday by Justice Department special counsel Robert Mueller.

In the second financial report since his appointment just more than a year ago, Mueller listed direct expenditures of more than $4.5 million, including $2.7 million in salaries and benefits for his staff of prosecutors.

Another $5.4 million was reported as indirect costs for the work of Justice officials who have assisted the investigation but are not under Mueller’s direct control.

The new accounting covered a period from Oct. 1, 2017, through March 31. A previous report from May through September 2017 listed direct and indirect costs of $6.7, bringing the total from the two reports to $16.6 million.

Mueller was appointed to lead the inquiry last May after Attorney General Jeff Sessions recused himself from the matter and then- FBI Director James Comey was dismissed by President…