Attributing to another person a crime knowing the falsity of the fact or seriously belittling the truth.
It is the action or expression that damages the dignity of another person, diminishing it or attacking his own estimation.
Yes. Proving the existence of the fact that is attributed to a person, the crime disappears. Therefore, conversely, it is exposed to criminal responsibility who attributes a crime and cannot prove the truth of that fact.
Yes. Freedom of expression is the fundamental right of all citizens to disseminate and express thought freely, but does not protect the injurious expressions against the dignity of people.
Yes, indeed. The anonymity of the user in the social network does not exempt him from criminal liability. Verified your identity, you will continue the criminal procedure. Serious insults made with publicity can be punished with fines of up to 14 months. The amount of the fine can range from € 2 to € 400 per day, depending on the economic capacity of the offender, without prejudice to compensation for moral damages.