Trump granted clemency to dozens of people in the final hours of his presidency.
The president's flurry of pardons include former Israeli air force colonel Aviem Sella, who recruited the infamous spy Jonathan Pollard.
Peter Rafael Dzibinski Debbins, 45, is accused of espionage after allegedly sharing military information for years.
A former member of the U.S. Army Special Forces was arrested Friday after allegedly providing military secrets to "self-proclaimed members of Russia's Intelligence Service."
National Security Adviser Robert O' Brien said China's efforts to interfere with the 2020 U.S. election are focused on ensuring that President Donald Trump does not win on November 3.
National Security Advisor Robert O'Brien said China is likely using espionage to try and steal U.S. coronavirus vaccine research, but he declared American scientists would develop it first.
Trump has ordered a significant increase in counter-narcotics and border control operations, which could draw the armed forces into another resource drain and a controversial mission.
Is Big Brother still watching? With "continuous evaluation" slowed down by the coronavirus pandemic, U.S. counterintelligence may fail to spot the next Edward Snowden.
The federal dragnet is so massive that investigators have given the case the code name "Lurking Giants."
The attorney general has continued to defend President Donald Trump's attacks on the FBI even after many of his conspiracy theories were debunked.
Former U.S. Attorney Joyce Vance told MSNBC on Wednesday that Attorney General Bill Barr's comments about American intelligence spying on Donald Trump's 2016 campaign were false. "None of it was true," she said.
Two Iranians, Ali Nafarieh and Mohammad Ali Babapour, have been sentenced to 10 years imprisonment on charges of spying for the U.S. A third unidentified person has been sentenced to death.
"We concluded that disabling the app was the right course of action as this bug could allow someone to listen through another customer's iPhone without consent," Apple said.
China and other foreign nations are trying to steal U.S. technology and research through American higher education, but Senator Ted Cruz and Representative Francis Rooney have introduced a bill to stop them.
Barr said the American public should know what the government was doing before the 2016 election.
"I believe that the FBI is engaged in investigative activity and part of investigative activity includes surveillance activity of different shapes and sizes," Christopher Wray said during a Senate Appropriations subcommittee hearing.
"I still think he's entitled to that presumption" of spying, former FBI Director James Comey said, "and because I don't know what the heck he's talking about, that's all I can say."
"Domestic spying during a presidential campaign did happen and we have a right to know who participated in it, who authorized it and what their motives were," Carlson said after listing instances where he believes the FBI spied on Trump's presidential campaign.
It's unclear what the attorney general meant by "spying," but one Republican senator suggested that, whether done so rightfully or wrongfully, the Obama administration was involved.
American Paul Whelan, who was arrested in Russia and accused of stealing state secrets, was duped into handling classified information, his attorney said at Moscow court hearing.
In the past Gonen Segev was convicted for forgery, drug smuggling and fraud.
Although an official said that the Iranian leader's phone would be replaced with a more secure device, he did not reveal further details or suggest who had hacked the phone.
Citing a former unnamed official, The Times explained that "Russia is not believed to be running as sophisticated an influence effort as China, because of Mr. Trump's apparent affinity for President Vladimir V. Putin."
He had been tasked with collecting biographical information on possible espionage recruits.