There is a pretty good chance that social media screenshot is fake

All this means that you have to be very careful about what you see in articles or on social media. If someone is sharing an image of a Tweet rather than Retweeting it, or sharing a screenshot of a Facebook post, there is a non-zero chance it’s fake. Obviously there’s also a chance it’s true, but you need to be careful before putting too much stock in it.

Source: Don’t Believe What You Read: Social Media Screenshots Are Easy to Fake

Look how easy it is to fake: