More Americans say they believe special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE’s investigation into Russian interference in the 2016 election is justified as opposed to being politically motivated, according to a new poll.

CBS News reports it is the first time this many Americans have felt that way since it began polling on the topic.

Fifty percent of Americans who responded to the survey conducted by CBS News said they now think the Russia investigation is justified, with 45 percent saying they think it is politically motivated.

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Although the numbers of those who feel the Mueller probe is justified are increasing, Democrats are fueling the surge.

Eighty-three percent of Republican respondents still say the Russia investigation is politically motivated, the same number as said that in November.

A majority of Democrats, 54 percent, and 63 percent of respondents overall say congressional Democrats should focus on passing legislation instead of investigating President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE.

Trump has repeatedly decried Mueller’s investigation as a “witch hunt” and has repeatedly denied any wrong doing related to alleged collusion with Russia.

Mueller’s probe is in its second year and was recently granted a six month funding extension.

Nearly two-thirds of survey respondents believe it's at least somewhat likely that Trump’s advisers had improper dealings with Russia in the lead-up to the 2016 election.

Forty-six percent of survey respondents said Trump has been too friendly with Russia, while 44 percent believe his approach has been about right.

The poll was conducted by SSRS for CBS News by telephone from January 18 to 21. It consisted of a random sample of 1,102 adults nationwide and has a margin of error of plus or minus three percentage points.