Someone may prove slander by gathering pertinent evidence that proves that a person made slanderous statements directed towards the victim, that the statements are lies, and that the statements caused harm to the victim, according to The Law Dictionary. The Law Dictionary defines slander as spoken degradation of someone's character.
To successfully sue for slander in court, the victim must provide written testimony from witnesses to prove that the statements were made in front of other people and provide copies of the slanderous statements, according to The Law Dictionary. The victim must also prove the untruthfulness of the statements by negating them and provide documentation proving that damages that arose from the slanderous statements, including any negative effects on business or personal reputation, according to The Law Dictionary.
The laws surrounding slander differ by state, but certain principles remain constant, according to Nolo. To be considered slander or defamation, a statement must be published, meaning that it was stated publicly through the media or in the presence of a third party. It must also be proven untruthful and damaging to the victim. Examples of injury include losing a job or work opportunities, facing harassment from the media, or being rejected by family or friends. Lastly, the statement must be unprivileged, which means it was stated in a situation outside of court or legislation, places that are protected in order to eliminate free speech constraints.