For example, if you are chatting with someone who has never been in your friends list or who has just become friends, or if you have no friends common, the analysis program will look for certain phrases found in Previously obtained chat recordings found in criminals, relationship analysis and phrases must add up before a Facebook employee actually reviews the communications and makes the decision final whether or not to ping the authorities (cnet.com). However, Facebook was referenced in the surveys. murder, rape, child sexual offences, assault, kidnapping, death threats, witness intimidation and fraud; in some cases, arguments on the site have led to violence in the "real world", while in other cases, pedophiles use it to try to lure children who use Facebook away from their parents' domain.