'No one mourns the wicked' was a wickedly dark episode of Rizzoli & Isles that centered around the psychology of serial killers.
There were so many fascinating facts thrown out during the hour. 70% of serial killers were abused as children. 60% have some sort of brain damage. Most are of average intelligence. They are often substance abusers and female serial killers usually work in teams.
But all of that intriguing information didn't hold a candle to the diabolical killers included in this story.
First we got to revisit the thankfully-deceased Charles Hoyt, the man who not only tortured and killed numerous woman but tortured and tried to murder Jane on more than one occasion.