[1] Lesley's body was found hanging from a steel wire at the bottom of a shaft in the park.
Lesley fell or was pushed by a killer known as the Black Panther, Donald Neilson.
Neilson was sentenced to life for Whittle's and four other murders, eventually dying as a prisoner in December 2011.
[2] In 1977, a feature film about Whittle's murder, entitled The Black Panther, was released.
Bathpool Park is owned and managed by Newcastle-under-Lyme Borough Council.