Jailed for life for a single murder in 1975 , he committed three of these murders in prison after receiving a life sentence for a single murder in 1975 .
Robert John Maudsley was a British serial killer responsible for the murders of four people .
Jailed for life for a single murder in 1975 , Robert John Maudsley committed three of these murders in prison after receiving a life sentence for a single murder in 1975 .
Robert John Maudsley was a British serial killer responsible for the murders of four people .