Roger J. Stone Jr., a longtime Trump adviser, has been charged as part of the investigation by the special counsel, Robert Mueller. He was arrested in a pre-dawn F.B.I. raid in Fort Lauderdale, Fla., and appeared in court Friday.

Indicting Roger Stone, Mueller Shows Link Between Trump Campaign and WikiLeaks

The evidence was revealed in an indictment of Roger J. Stone Jr., a self-described dirty trickster and longtime adviser to President Trump.

nytimes.com