In a statement issued Friday morning, Tom Perez, the president of the Democratic Party, said the lawsuit is intended to hold Mr. Trump and his campaign accountable for his actions.
"During the 2016 presidential campaign, Russia launched a total assault on our democracy, and found a voluntary and active partner in the Donald Trump campaign," said Mr. Pérez. "If the occupant of the Oval Office will not protect our democracy, the Democrats will do it, it is our obligation to the American people."
The complaint is based largely on public information, including details that have been disclosed in press reports and subsequent court proceedings.
In addition to WikiLeaks and several Russian entities, the defendants in the lawsuit are: Julian Assange, the founder of WikiLeaks; Donald J. Trump for President Inc .; Donald Trump Jr., the president's son; Paul Manafort, his former campaign president; Roger Stone, an old friend of Mr. Trump; Jared Kushner, the son-in-law and chief counselor of the president; George Papadopoulos, a campaign assistant; and Richard Gates, an associate of Mr. Manafort and the campaign vice president.
"Instead of reporting these repeated messages that Russia intended to interfere with the US elections, the Trump campaign and its agents were grateful for Russia's help," the lawsuit said. . "In fact, the Trump campaign solicited the illegal assistance of Russia and maintained secret communications with people linked to the Russian government, including one of the intelligence agencies responsible for attacking the D.N.C."
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