Senate Judiciary Committee leaders will meet privately with special counsel in the Russia investigation, Robert Mueller, on Wednesday, according to a report published Tuesday morning.

The move comes after months of other potential witnesses sidestepping the committee and choosing to testify publicly and privately in front of the House and Senate intelligence committees.

Chairman Chuck Grassley, R-Iowa, and ranking Democrat, Dianne Feinstein of California, have agreed to focus the committee's investigation on the FBI's Russia probe and dive only into Trump's potential obstruction of justice if the evidence calls for it, CNN reported.

The committee will also consider whether either Trump or former President Barack Obama's administration made improper contact with the FBI during the bureau's nearly year-long investigation into Russia's attempted interference in last year's election.

Meanwhile, Senate Intelligence Committee leaders have said they do not plan to look into whether Trump tried to obstruct justice, but will focus on Russia.

Grassley said last week that he is willing to subpoena key witnesses, including former FBI Director James Comey.