Just before midnight on October 15, 1990, police arrived at 527 Lime Street in Jacksonville, Florida to find the small wood-frame house on fire. A man named Gerald Lewis was standing in the front yard. He said there were people inside the house. What happened next was so unusual that it changed the way we think about arson. We speak with attorney Frank Ashton and fire investigator John Lentini about the Lime Street case and why it was so important.