Among them was Father Hormisdas Nsengimana, who survivors describe as a particularly cruel killer at his parish in Nyanza.
He is thrust back into the real world when a teenage boy, Jamal, summons his help, a case which soon has him and the teenager on the run from a particularly ruthless killer.
Swilley was also known as a particularly violent killer.
In this week's episode, "Coquilles," Will and the rest of the Behavioral Science Unit are on the trail of a particularly sadistic killer whose bloody ritual includes cutting the victims' back flesh and stretching it to look like angel wings.
Robinson plays a particularly nasty gangster, Killer Mannion, and a mousy office clerk called Jonesy who happens to look exactly like Killer.
Adrien realizes too late that Maurel is a particularly devious serial killer, who when released from prison, goes after not only Adrien's stash of bank loot but also his family, framing Adrien for his own killings in the process.
In each case, you'd have thought we were discussing a particularly inventive serial killer.
PCB levels are a particularly acute problem for killer whales and dolphins because they are at the top of the food chain and long-living.
Meanwhile, Gatehouse's clean-up has continued off-screen, with Holten, now revealed to be last week's murder-happy Sir Richard, dead in a swimming pool, his injuries "consistent with a fall", or a particularly competent Section 5 killer.
Jepson said: "This is not definitive proof of cause and effect, but it is very consistent [with the evidence]." PCB levels are a particularly acute problem for killer whales and dolphins because they are at the top of the food chain and long-living.
