June 2017 Vile pervert jailed for sexual assault on young girl A vile pervert who assaulted a young girl has been jailed and forced to register for life as a sex offender. Mark Cole of The Warren in Ashtead was found guilty of three counts of non-penetrative sexual activity with a girl under 13 at Guildford Crown Court today (Thursday, June 22). The 54-year-old was immediately sentenced to four years in jail and on release will be subject to lifetime registration as a sex offender. Cole’s crimes took place throughout 2015 in Dorking and Ashtead.