Season 4, Episode 16 Caught in the Crossfire
First Aired: October 11, 2009
Conclusion. The June 12, 2006, murder of Charla Mack in Reno, and the same-day shooting of family-court judge Chuck Weller, who was overseeing Mack's divorce from her husband, Darren, are investigated. Darren Mack is the chief suspect in both crimes.