A Democratic member of the House is calling for Sen. Marco RubioMarco Antonio RubioGOP group calls on Republican senators to stand up to McConnell on election security in new ads What the gun safety debate says about Washington Trump moves forward with F-16 sale to Taiwan opposed by China MORE (R-Fla.) to be monitored 24 hours a day after Rubio defended government surveillance programs in a recent op-ed.

“If Senator Rubio believes that millions of innocent Americans should be subject to intrusive and unconstitutional government surveillance, surely he would have no objections to the government monitoring his own actions and conversations," Rep. Jared PolisJared Schutz PolisColorado governor pokes fun at FaceApp Number of openly LGBTQ elected officials rose nearly 25 percent since 2018: report GOP gun rights activist arrested for flashing handgun at U.S. marshal MORE (D-Colo.) said in a statement.

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"Senator Rubio is asking for American technology companies to ‘cooperate with authorities,’ so I believe he will have no objection to authorities being given access to his electronic correspondence and metadata."

"Maybe after his 2016 strategy documents are accidentally caught up in a government data grab, he’ll rethink the use of mass surveillance," Polis continued, a reference to Rubio's potential presidential bid.

In his op-ed, published by Fox News, Rubio called for "a permanent extension of the counterterrorism tools our intelligence community relies on."

"The U.S. government should implore American technology companies to cooperate with authorities so that we can better track terrorist activity and monitor terrorist communications as we face the increasing challenge of homegrown terrorists radicalized by little more than what they see on the Internet," he wrote.

Former contractor Edward Snowden's 2013 leaks that revealed the National Security Agency's mass surveillance programs sparked a debate over privacy concerns and national security.

The NSA's critics have vowed to rein in the agency's practices, but a reform bill failed to pass Congress last year.