Sociopathic Behavior – Hunting Humans (2021, White, Cassette) - Discogs

Angels of Death (TV Mini Series 2018) - IMDb

Four Angels of death

Lainz Angels of Death (Maria Gruber, Irene Leidolf, Stephanija Meyer, and Waltraud Wagner), Sociopathic Behavior

25 of the Biggest Psychopaths From History - Wtf Gallery

5 Terrifying Serial Killer Signatures

Lainz Angels of Death – Corr Blimey

400 Victims in 7 years - Lainz Angels of Death

So-called 'angels of mercy' not new

Chemical structure of the benzodiazepine (Flunitrazepam) that, together

WAGNER Waltraud, Serial Killer Database Wiki