More cats found dead in Pasir Ris and at least one more suspected abuse case in Tampines. If you come across an abused cat, remember to get a necropsy done and to file a police report even if you have no suspects. This helps if you DO eventually find the suspect and you have the previous cases on file.
One thing also to remember is not to narrow down the list of suspects prematurely. I remember a case where someone reported seeing an older man of a certain race - the suspect turned out to be a younger man who was of a different race. Some witnesses may not be trustworthy - it doesn't mean that they don't mean well, but I read recently that most witnesses of a crime are unreliable because everyone perceives the situation differently and because it happens to fast. If you tend to look for someone based on rather sketchy evidence, you may let the actual suspect slip away undetected.
Another thing to remember of course is that if a witness is not willing to testify, then the evidence is as good as useless. A witness has to give firsthand evidence - hearsay is NOT good enough to stand up in court.