Yorkshire Ripper

There is significant evidence that Peter Sutcliffe, the Yorkshire Ripper killed people across the whole of Britain, not just in the Greater Manchester area and northern England. 

Image generated by artificial intelligence (wonder)

It is believed he used his company van to commit deadly assaults while he was delivering goods. 

To this day we still don't know how many people he killed. 

source: Inside the Mind of the Yorkshire Ripper, by Chris Clark and Tim Hicks (book)