A pipe bomb rips through a rural home killing a young man and seriously injuring his mother. A lot number on a 9-volt battery and the remnants of a mailing label found on a computer's hard drive enabled investigators to determine who sent the bomb, and why. [also marked as S8:E22]
Genres: Crime , Documentary
Keywords: coroner , criminal-investigation , evidence , forensic-science , forensic-technology , interview , law-enforcement , medical-examiner , reenactment , suspicion-of-murder , true-crime , whodunit