Complex sentence: He was released in 2004 and by agreement of the doctors at the Newham General Hospital allowed to leave the ward on which he staying as much as he likes, where he murdered Bryan Cherry by dismembering him and then eating a part of his brain.
Split into simpler sentences: He was released in 2004 and by agreement of the doctors at the Newham General Hospital allowed to leave the ward on which he was staying whenever he liked. On this ward, he murdered Bryan Cherry by dismembering him and then eating a part of his brain.