Case 200: The Zodiac (Part 1)
Casefile True Crime
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How to Identify a Winchester Ammunition Lot Number 21
Gill had built the shack where robert and linda's bodies were found. He kept a 22 caliber rifle in a bundle strapped to his back, which he was seen firing in the area. The bullets recovered from their bodies were too versatile to isolate what type of firearm they came from. But discovery of several boxes of winchester western superex long rifle ammunition inside the beat shack helped direct detectives to the bullet's origin.
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