This bonus episode of 20/20, hosted by contributing anchor Deborah Roberts, features exclusive behind-the-scenes details from Josh Margolin, one of the leading reporters in this shocking murder case that rocked a small town in Arkansas to its core. 

When authorities find a well-known former state senator murdered outside her home in Arkansas, rumors began to fly. Who killed Linda Collins-Smith? Could she have made a fatal enemy along her meteoric rise in state politics? 

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