Lancashire has been linked to some of Britain's most shocking murder cases, from Buck Ruxton's gruesome crimes in Lancaster to the Pottery Cottage killings by Preston-born Billy Hughes.
Other notorious names have connections to the historic county of Lancashire through childhood homes, their victims or its historic boundaries.
These archive photographs reveal the faces and stories behind crimes that made national headlines.
1. Isabella Ruxton
A chilling forensic photograph from the investigation into Lancaster doctor Buck Ruxton, who murdered his partner Isabella and their housemaid Mary Rogerson in 1935. Pioneering forensic techniques helped identify their dismembered remains. Ruxton was hanged in May 1936 | Contributed
2. Doctor behind the Jigsaw Murders
Dr Buck Ruxton, the Lancaster GP who murdered his partner Isabella Kerr and their housemaid Mary Rogerson in 1935 before dismembering their bodies and dumping the remains in a Scottish ravine. The notorious Jigsaw Murders became a landmark in forensic science. Ruxton was hanged in May 1936 | Getty Images
3. Baying mob
Police hold back a crowd outside Strangeways gaol in Manchester before the execution of Dr Buck Ruxton for the murder of his wife Isabella Ruxton and her maid Mary Rogerson in 1936 | Getty Images
4. The murder that shocked a community
Ruxton's two victims, his common-law wife Isabella and their maid, Mary | Contributed