witness tampering

Roger Stone enters not guilty plea

Roger Stone, a longtime Republican campaign adviser and confidant of President Donald Trump, pleaded not guilty Tuesday morning to seven criminal charges of false statements, witness tampering and obstruction of justice.

Mueller accuses Manafort of witness tampering

The special counsel's office has accused former Trump campaign chairman Paul Manafort of attempting to get witnesses to lie for him in court, and they've asked the judge to send him to jail as he awaits his trial, according to a filing in DC District Court Monday night.