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Title: Case closed? Not really!
Review: Patricia Cornwell's non-fiction offering, "Portrait of a Killer: Jack the Ripper - Case Closed" is filled with meticulous detail about Jack the Ripper's murders. Cornwell brings modern forensic techniques into the investigation of this 122 year-old case in an effort to prove that Jack the Ripper was Walter Sickert, an artist and actor. Although the detail made the theory interesting, the book was quite slow-moving in parts. While the use of mitochondrial DNA and handwriting analysis may seem to implicate Sickert, I didn't find it convincing enough to merit the descriptor "Case Closed".
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