Summary
MILWAUKEE - Milwaukee cold case detectives Gilbert Hernandez and Katherine Hein knew the slayings of seven women over a 21-year period were connected by DNA, they just didn't know whose.
So their cold case unit cast a wide net, sifting through thousands of cases and testing the genetic fingerprints of more than 100 people before they finally made an arrest.See the full content of this document
Extract
Serial Killer Probe Cast a Wide Net
Walter Ellis, 49, was charged this month with killing seven women between 1986 and 2007 ...
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