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The Kill Devil Hills Police Department posted to its Facebook page that there have been a "hundred or so" break-ins since August. They also said 95 percent of the break-ins involved cars that weren't locked.
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Authorities are reminding residents to lock their cars and keep valuables out of sight.
A reward is being offered for information that will lead to the arrest of those responsible for the gun thefts.
The Associated Press contributed to this report.