Murderer who buried victim in concrete coffin found to be running drug operation upon release from prison The builder known as John 'Jackie' Welsby murdered fellow drug dealer Danny Dyke in 1997 and buried his body in a concrete coffin. 04:30, 14 JUL 2021 Updated John 'Jackie' Welsby was convicted of murder in 1997 (Image: South Wales Police) Get the latest Scottish crime and courts news sent straight to your inbox with our daily Criminal Record newsletterInvalid EmailSomething went wrong, please try again later. Subscribe We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time.More info