LONDON (AP) — A British government-ordered inquiry said Tuesday it found serious failings at hospitals where an electrician who was later convicted of murder had been able to have sex with more than 100 corpses over 15 years without being detected.

David Fuller’s necrophilia was uncovered in 2020 when police used DNA to tie him to the 1987 slayings of two women and also discovered millions of images of sexual abuse in his home. The images included videos of him having sex with the dead bodies of women and girls in the mortuaries at two hospitals where he worked in southeast England.

“The offenses that David Fuller committed were truly shocking,” the 308-page inquiry report said. “However, the failures of management, governance, regulation and processes, and a persistent lack of curiosity, all contributed to the creation of the environment in which he was able to offend.

“This is not solely the story of a rogue electrical maintenance supervisor. David Fuller’s victims and their relatives were repeatedly let down by those at all levels whose job it was to protect and care for them.”