Motives & Murders: Cracking the Case
When the Smoke Clears
Season 4 Episode 12
Authorities in Washington are stunned when a mother of three dies from cyanide poisoning. The resulting murder investigation eventually reveals a pattern of tampered boxes and blister packs, more deaths, and a reptilian story of greed and betrayal.
- 43 min
- Premiered 12/16/2014