One mistake? Most likely, this is not the first time he patronised sex services. He probably gone for several times per month, an veteran Old bird pervert. This kind of ppl should be condemned and bar from teaching.
ElectricNewPaper, you appear to take a special interest in this case, in launching a 3rd wave of public shaming for these offenders. First, a 'walk of shame' in/out of court as recorded here. Notice how the press hounds the offenders. Second, a 'hall of shame' published in the newspapers with names and faces. Third, your individual-cut-with-name-posted circulation of their walk of shame. What have you learned from this?
Chua Ren Cheng (born 1980), graduated Hwa Chong Junior College (1997), a top school in Singapore, with a Ministry of Education scholarship (overseas). Chua did his degree in Physics with Medical Applications at University of London (UCL), a top UK University, ranked top 20 in world. SHAME, bring shame to the alumni of Hwa Chong and UCL.