The Peter Manuel Murders with Denise Mina
- Episode aired May 9, 2022
![Once Upon a True Crime (2022)](https://m.media-amazon.com/images/M/MV5BMjkyMDFjZmYtNzc0NC00MmFmLThhNTQtYzg0NTE4MjA1ZGI0XkEyXkFqcGdeQXVyMTE5NTM5NTU5._V1_QL75_UX190_CR0,2,190,281_.jpg)
The Peter Manuel Murders: Award-winning writer Denise Mina lifts the lid on Scotland's most notorious serial killer, Peter Manuel, on which she based her book The Long DropThe Peter Manuel Murders: Award-winning writer Denise Mina lifts the lid on Scotland's most notorious serial killer, Peter Manuel, on which she based her book The Long DropThe Peter Manuel Murders: Award-winning writer Denise Mina lifts the lid on Scotland's most notorious serial killer, Peter Manuel, on which she based her book The Long Drop