The Whasignton Post http://www.washingtonpost.com/local/va-tech-killer-chos-calculator-for-sale-renewing-debate-on-murderabilia/2011/12/26/gIQAGEfLPP_story.html By T. Rees Shapiro, Published: December 30 According to the seller, the item is a Texas Instruments TI-83 Plus calculator, similar to thousands of others used in college-level math classes. It usually retails for about $99. This one is listed at $3,700.What makes it worth so much? It once belonged to the […]