Charlie Kirk 's widow says she forgives his alleged killer Tyler Robinson .

Erika Kirk choked back tears Sunday as she memorialized her late husband at State Farm Stadium in Glendale, Arizona ... and she was super emotional as she told the packed house, "I forgive him."

Charlie's widow went on to explain "I forgive him because it is what Christ did." She added, "The answer to hate is not hate."

The crowd roared in applause and gave her a standing ovation. Play video content

Erika also recalled going to a Utah hospital to see Charlie after the shooting ... repeating what others have said at his memorial service -- the doctors told them Charlie did not suffer. Gallery Launch Gallery Getty

While Erika says she forgives Charlie's alleged killer, he's facing murder charge

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