A former technology executive who helped spy on the White House intends to invoke his right against self-incrimination if he is called to testify during the upcoming trial of a lawyer who represented Hillary Clinton’s campaign during the 2016 election, according to court documents. Michael Sussman, the lawyer, is set to go on trial for allegedly lying to the FBI. Sussman was representing Rodney Joffe, a tech executive, when he went to the FBI and handed over three white papers that contained unsubstantiated allegations against then-candidate Donald Trump, Clinton’s rival in the presidential race, according to U.S. prosecutors. Sussman says he gave the information to the FBI as a concerned citizen and the parties he was representing at the time are not relevant. If Joffe were to testify during the trial, he would “offer critical exculpatory testimony,” Sussman’s lawyers said in one of the new filings. Among the angles would …