CNN legal analyst Jeffrey Toobin and Harvard professor emeritus Alan Dershowitz went head to head over the FBI allegedly spying on the Trump campaign on “Anderson Cooper 360” Monday.

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“I have to tell you, if this had happened to Hillary Clinton, the ACLU would be jumping up and down the way they did when I was on the board of the ACLU, when undercover agents were put into the anti-war movement, into Civil Rights movement,” Dershowitz said.

“All they were there was to listen–into Muslim churches. Civil libertarians are generally a little bit suspicious when undercover agents go ‘just to ask questions.’ And I think we as civil libertarians ought to be suspicious of this. Allay our suspicions, and then we’ll be fine,” Dershowitz said.

Trump tweeted Sunday that he wanted to investigate FBI/DOJ spying into his 2016 campaign. (RELATED: Trump To Order Investigation Into FBI/DOJ Surveillance Of His Campaign)

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