AP Photo/Dmitry Serebryakov Natalia Veselnitskaya, a Russian lawyer who met with key members of the Trump campaign at Trump Tower in June 2016, said Sunday the special counsel Robert Mueller has not interviewed her. Mueller is investigating Russia's interference in the 2016 US election, and the Trump campaign's possible collusion. Veselnitskaya accused his team of "not working to discover the truth," and said she met with Senate Intelligence Committee investigators in March. MOSCOW (AP) — A Russian lawyer who discussed sanctions with Donald Trump Jr.