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Megyn Kelly and a prominent Baltimore-based Black Lives Matter activist had a heated back-and-forth on The Kelly File over the April 2015 death of Freddie Gray and today's acquittal of Officer Edward Nero.

Kelly challenged DeRay Mckesson on what Officer Nero specifically did wrong in this case, pointing out that the court found no facts to support the charges.

"What did he do that was wrong?" Kelly asked, saying that the evidence showed Nero had "virtually no interaction" with Gray.

Mckesson said that Nero was involved in the stop of Gray, which never should have happened.

"[Gray] was no threat to the officers; the officers were a threat to Freddie Gray."

Mckesson said the court found no crime was committed based on current laws and that the case was a reminder that the laws need to be remade.

Kelly then asked about the potential consequences of jailing police officers over bad decisions. 

“Don’t you see the danger to the community if we start locking up cops for exercising poor judgment?” Kelly shot back.

Watch the full exchange above.

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