Britain's Forgotten Serial Killer | The Beast of Manchester: Trevor Hardy | Full Documentary

Trevor Hardy, dubbed the “Beast of Manchester”, committed a series of horrific murders in the 1970s—but why did he kill? Now, for the first time, his personal prison files reveal shocking new secrets about his brutal killing spree. We uncover how Greater Manchester Police missed a crucial chance to catch Hardy, potentially saving his final two victims. And could he also have murdered 17-year-old Dorothy Leyden? Her case remains unsolved to this day. Britain’s Most Notorious Killers | True Crime Documentary | Unsolved Murder Mysteries #TrevorHardy #BeastOfManchester #TrueCrime #SerialKiller #TrueCrimeDocumentary 📱 TikTok:   / house_of_docs   📷 Instagram:   / house_of_docs_channel   🗨️ Threads: https://www.threads.com/@house_of_doc... 💻 Facebook:   / 61587248157521   🔔 X: https://x.com/house_of_docs 👻 Snapchat:   / @houseofdocs