“Who, what, when, where, why?”
They can tell you all that, and they can all be lies. In other words how do you know that the “Who, what, when, where, why” they just told aren’t made up?
Number 1 is probably the most important caution - consider the source.
That is absolutely true! We have to know the 5 Ws for the reporters, the victims, and the perps.