A Good person made a mistake, the people are considered as bad

A Good person made a mistake, the people are considered as bad.

A Bad person did a good thing, the people are considered as well.

Real / Reason:

A good person made a mistake by bad person (people don't know).

A bad person did a good thing by good person (people don't know).

Bad is spreading any ways and quickly, but good spreads only one way and it's slow because no one can talk truth whenever required.

Who knows the truth, those are not speaking real because they becomes bad about their mistake.

Note:

According to situation real thing is not realized and no one can discuss. 

Good people are losing their lives because of one bad person enter into their life.

Truth:

Evevryone life is important and everyone should be hard work in their life goal.