There are certain clues at a crime scene which,by their very nature, do not lend themselves to being collected or examined.How does one collect love, rage, hatred, fear?

• 罪现场中的某些线索根据它们自己本身的性质，是不容易收集起来检测的。一个人又怎么能收集起爱情、愤怒、憎恨和害怕？