Whilst serving his prison term , Graham took a keen interest in the case of Stephen Craven , who by then was serving a sentence for murdering Penny Laing at Newcastle 's Studio nightclub on 24 December 1989 .
SCONJ VERB PRON NOUN NOUN , PROPN VERB DET ADJ NOUN ADP DET NOUN ADP PROPN PROPN , PRON ADP ADV AUX VERB DET NOUN ADP VERB PROPN PROPN ADP PROPN PART PROPN NOUN ADP NUM PROPN NUM .