There's a mystery this morning in Clintonville, Wisconsin, a small town not too far from Green Bay.
Residents have been awakened three nights in a row by underground rumblings, and what some describe as a "boom" that is rattling windows and nerves. Residents are flooding 9-1-1 with calls trying to figure out what's going on. So far, scientists have no explanation. A town meeting is scheduled for this evening to talk about it.
City administrator Lisa Kuss trying to get someone to figure it out. She talks with Zoraida by phone this morning on "Early Start" to explain what residents are hearing and how the town is trying to solve this mystery.