Originally Posted by
RealHJ
Because in any investigation, esp. security related, you don't want the public and the possible perpetrator(s) to know anything.
Well, that explains that it
could be true that they have a procedure but just aren't telling anyone about it, but it definitely doesn't imply that it must be true. It's equally plausible that they're dealing with all of this equally ad hoc--hence the seemingly random outcomes for different people.