CNN host Kaitlan Collins and Sen. Ted Cruz (R-Texas) argued Tuesday over the motive of the man who allegedly shot and killed conservative activist Charlie Kirk last week.

“We don’t have a motive yet. We don’t know yet, we’re waiting," Collins said as she hosted Cruz for an interview on her prime-time show "The Source."

“Of course we know. Come on,” Cruz retorted. “We don’t have a motive yet? We don't have a motive yet? Really? He........

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