On this installment of the 13 O’Clock Podcast, Tom and Jenny are discussing the man who is thought to be the most prolific serial killer in American history: Gary Leon Ridgway, who in the early 1980s is believed to have killed somewhere between 49 and 71 women in the Seattle, Washington area. The investigation into … Continue reading Episode One Hundred Seventy Eight: Gary Ridgway – The Green River Killer