How do we know when a source is reliable?

Prompt: Sometimes, determining the reliability of a source is easy. Below is a real person’s reaction to the safety message about Pokemon Go. Its on a website called “Literally Unbelievable.”
“Safety FTW: The Pokemon in Pokemon Go Will Now Scream When A Player is Within A Mile Of A Registered Sex Offender.” See the person’s response below the image of Charmander.
This is amusing and its easy to see that Pokemon Go does not link itself to a sex offender registry. But, sometimes its more challenging to determine the readability of a source.
So how do we know when a source is reliable? Share your thoughts with class. What do YOU think makes a source “reliable?” What do you look for when deciding?
Then, consider the CRAP
(Links to an external site.)
test. (Yes, its a real thing). Is the CRAP test a good way to distinguish reliable sources from unreliable ones? Share your opinion with class.

Reference
Hongo, H. (2016). Pokemon Go Characters Scream Within 1 Miles of Sex Offender. Literally Unbelievable. [https://literallyunbelievable.tumblr.com/].