Mollie Tibbetts suspect not previously known to local police, says Iowa special agent

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Rick Rahn, the special agent in charge at the Iowa Division of Criminal Investigation, joins TODAY to give more information about Cristhian Bahena Rivera, a 24-year-old undocumented immigrant from Mexico who has been charged with the murder of missing Iowa college student Mollie Tibbetts. Rahn said Rivera was not on the radar of local police prior to this investigation. “We weren’t aware of him until we were able to location (his) vehicle,” he said.