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Charlie Kirk was loving every minute of his college campus tour, was in great spirits and never indicated he had any concerns about his personal safety ... according to a friend who talked to the conservative activist the day before he was fatally shot in the neck in Utah.

Sources close to the situation tell TMZ ... Charlie talked to a buddy for about 20 minutes over the phone Tuesday, and during the call Charlie was looking forward to his upcoming Turning Point USA events and speaking opportunities. Play video content

We're told Charlie never voiced any concerns about his safety while on the road ... and in extensive conversations with his friend, Kirk had never once spoken about his personal safety, at a public event or anywhere else.

Our sources say Charlie had also never i

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