Robert Charles Browne, a 53-year-old convicted of murdering a teenage girl, now says he killed as many as 48 people between 1970 and 1995.
He says he killed in Louisiana, Colorado, Texas, Arkansas, Mississippi, California, New Mexico and Oklahoma, Washington state and South Korea. Investigators have been able to corroborate his claims in six cases. So far, the authorities haven't listed any potential victims from Missouri or Kansas.
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