Trump has made the claim, but has yet to point to evidence to support it.
As noted by The New York Times, Mr. Trump, who has a history of promising to produce evidence to back up his unverified claims, and failing to do so, did not make clear what crime he was accusing Ms. Rice of committing.
"I believe if there is any truth at all to these allegations, or any substance to them at all then Susan Rice will have to testify before the Intelligence Committee in the House and the Senate...."
The FBI is investigating too.
The White House has tried to use the allegations of politically-motivated spying to shift focus away from the FBI and congressional investigations into possible Trump campaign ties to Russian Federation.
President Donald Trump pushed a claim hyped by right-wing media that former President Barack Obama's national security adviser Susan Rice may have committed a crime and could face legal jeopardy for "unmasking" Trump associates caught in surveillance.
Rice served as the national security adviser to President Barack Obama from 2013 to 2017 and was one of several senior national security officials authorized to request the identity of USA persons who appear in classified intelligence reports.
ISIS Death Toll from 'Mother of All Bombs' Hits 90
A general view of Achin district, in Jalalabad, after US forces dropped Thursday the bomb, Afghanistan, Friday, April 14, 2017. The statement said it is the responsibility of Afghans, not the USA , to remove the Islamic State group from the country.
Rice's role was first discussed by Mike Cernovich, who is also known for promoting a false story that a Washington, D.C. pizza parlor was a nest of pedophiles connected to Hillary Clinton.
Rice denied that she had leaked details about Flynn's call, saying, "I leaked nothing to nobody".
Rice in recent days has been in the spotlight amid reports she ordered the unmasking of American citizens' identities in surveillance collected while she was the NSA. And according to Rice, that process has its own rules and is reviewed by lawyers to prevent political abuse. The law requires that identities of US persons picked up or mentioned during the course of foreign surveillance be masked; that is, that they be shielded from people reading the reports.
Yes. A USA official who spoke on condition of anonymity did not offer detail on the types of reports Rice was reviewing or the motivations behind it.
"The charges [against Nunes] are entirely false and politically motivated, and are being leveled just as the American people are beginning to learn the truth about the improper unmasking of the identities of USA citizens and other abuses of power", he said. "There is no equivalence between so-called unmasking and leaking".
However, there are 20 high-ranking officials within the US government who have to power to approve requests to reveal those identities if they deem that information is necessary to understanding the value of the intelligence. Rand Paul proclaimed Tuesday on MSNBC's Morning Joe.
Fellow Republican Sen. Lindsey Graham of SC suggested a different approach by calling on Congress to look into the reports. I was surprised to see reports from Chairman Nunes on that count today'. "[Richard] Burr, Sen. [Mark] Warner, to conduct a bipartisan investigation of this whole episode", McConnell said during a Fox News interview when asked whether he thought Rice should testify.