A hard drive containing indecent images of children was not used as evidence against a former lord mayor of Leeds as it was kept in a UK police commissioner’s safe for 14 years. A police whistleblower flagged the hard drive’s existence to the BBC in September 2017.

https://www.theguardian.com/uk-news/2020/mar/12/hard-drive-containing-child-abuse-images-held-pcc-safe-leeds-yorkshire