Recent videos showed that Donald Trump's campaign manager Corey Lewandowski did a questionable behavior during the former's campaign rally by grabbing a protester by the shirt collar.

The shocking move was first caught in a video that was posted by Jacqueline Alemany. Aside from this incident, Lewandowski has been earlier linked to allegations of physical abuse and questionable attitude.

However, campaign spokesperson Hopes Hick denied that Lewandowski indeed mistreated the protester. He added that Trump condone violence in his rallies.

Watch the video below.

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