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Man charged in 1984 murder of NYC woman; computer database, DNA testing help crack case

READING, Pa. (AP) - A 76-year-old man faces murder charges in the death of a woman whose body was found in 1984 but not identified until 2003. A computer database and DNA testing helped crack the case.

Peter Williams was arrested in Tucson, Ariz., and returned to Berks County on Thursday. The body was found in a bag next to a Cumru Township business on Dec. 23, 1984. An autopsy found she had been strangled. The body was finally identified when police used a computer database of fingerprints to determine it was the body of Margaret Mary Calciano, 30, of New York City. Calciano's mother, Joan, and her friends told authorities she last was seen with Williams. Police found him living in Greenfield, Wis. He allowed investigators to collect a DNA sample, and a laboratory matched the DNA to hair found with the body. It is still unknown why the body was dumped in Cumru Township; neither Calciano nor Williams was known to have any ties to the area, authorities said. Joan Calciano said in 2003 that she had struggled to help her daughter, who was abusing cocaine and "had got involved with bad people."