A MOLESTER who preyed on lone women had his six-year jail term increased to nine years on review yesterday. The Court of Appeal will hand down the reasons for increasing the penalty of Chan Kwok-sau, 30, at a later date. Chan had pleaded guilty in June before Deputy High Court Judge Burrell to one count of assault with intent to commit indecent assault and two counts each of robbery and indecent assault. The court heard that the offences occurred in Tuen Mun between August 1 and October 14 last year. The three victims, aged 19, 17 and 22, were confronted by Chan who brandished either a knife or a paper-cutter, threatening them with violence before attacking them. One woman was warned that she would be raped if she tried to run away. According to psychiatric reports, Chan suffered from psychological problems and needed psychotherapy. It had been said in mitigation that his condition was aggravated by his 'cold war' with his wife and he committed the offences on the spur of the moment when he had a sudden urge for sexual excitement. Grenville Cross QC, in seeking a review of the sentence before Chief Justice Sir Ti Liang Yang, Vice-President Mr Justice Macdougall and Mr Justice Penlington, said the penalty was wrong in principle and manifestly inadequate. He said the trial judge erred in ordering some of the sentences to run concurrently when they were, in fact, separate offences committed on different days. Furthermore, the case involved multiple offences and it called for greater punishment, he said. Mr Cross said the penalty imposed on Chan had failed to meet the principle of sentencing - which was to act as a deterrent. Chan's counsel, John Mullick, accepted that robbery combined with sexual abuse warranted separated sentences. However, he said, in this case, the total sentence imposed by the trial judge was a perfectly proper one.