Gilbert Acciardo, a spokesman for the sheriff’s office, said rescuers have "been on the ground all night looking for possible survivors.
Severe Midwest weather turns fatal in Kentucky
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Acciardo said authorities found his abandoned vehicle Saturday and then an AR-15 rifle on Sunday in a wooded area near a highway where “he could have shot down upon the interstate.” A phone believed to be Couch’s was also found by law enforcement, but the battery had been taken out.
Manhunt for interstate shooter enters third day in Kentucky as authorities vow relentless search
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