Three-part documentary telling the chilling story of a nurse who was convicted of murder, attempted murder and grievous bodily harm of 13 children under her care at hospital in 1991.
Beverly Allitt
Self (archive footage)
Availability for the US. Data from JustWatch.
Suicide Cults
Coldwater
American Gothic
Conversations with a Killer: The John Wayne Gacy Tapes
Darkness: Those Who Kill
Butchers of L.A.