For my case study I have chosen Robert Pickton. He was a serial killer convicted of second degree murders of six women. He was sentenced to life in prison.
Forensics analysed a saw which allegdly was used to bisect three skulls and cut through human bones. One of the victem's jawbone, as well as several ribs, two heel bones and several vertebrae that had been collected had cut marks on it. Ten of the saw's 45 blades came into evidence, only because they could not be eliminated as the blades that had caused the cuts in the bones. The expert was certain a saw had produced them but could not definitely identify what kind.
A forensic entomologist, Dr. Gail Anderson, also testified that the remains of two more victems had been exposed to the elements for several weeks to several months before being stashed in the freezer where they were found. Insects apparently went into the buckets when the remains were picked up for storage, and their type and stage of development helped to scientifically establish a timeframe.
There will be more about robert pickton and how it was solved later on.
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