Complex sentence: Maudsley claimed that he was raped as a child, and such early abuse would have left deep psychological scars, is also quoted as saying' If I had killed my parents in 1970, none of these people need have died.
Split into simpler sentences: Maudsley claimed that he was raped as a child, and such early abuse would have left deep psychological scars. He is quoted as saying' If I had killed my parents in 1970, none of these people need have died.