How to Prove Adultery for Divorce in South Carolina

By Valerie Stevens

Adultery is considered a criminal offense against morality and decency under South Carolina law and can be punished by a fine of up to $500 or six months in jail. It is rarely prosecuted, but adultery is frequently used as grounds for divorce in family court. The state Code of Laws defines adultery as two people having sex or living together when at least one of them is married to someone else. According to case law, you do not have to prove your spouse has sexual intercourse with another person; however, you must prove that he had inclination and opportunity.

Elements of Adultery

What constitutes adultery under South Carolina law is open to debate. State law says that the two people involved in the adulterous act must engage in carnal intercourse, but state courts have interpreted this to mean sleeping together or frequent meetings that are intimate in nature. The South Carolina Court of Appeals has ruled that intercourse is not necessary and sexual intimacy is enough, in some cases. Homosexual acts can also be the basis for a claim of adultery. South Carolina family courts use a two-pronged test to rule on allegations of adultery. You must show that your spouse was inclined to be unfaithful and that he had the opportunity to do so.


The first element you must prove to establish adultery in a divorce case is inclination, or motive. You must prove that your spouse was inclined to have sex with her adulterous partner by providing evidence of sexual desire between them. In some cases, explicit love letters, emails, texts or Internet posts can provide all the evidence you need. Telephone records and credit card statements also might provide proof. Eye witness accounts of your wife and her lover kissing or holding hands usually will satisfy the first part of the test.

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The second element in the two-pronged test is opportunity. To provide evidence that your husband had the opportunity to commit adultery, you must show that he was alone with his lover in a private place for a sufficient period of time to consummate their affair. If you can prove your husband spent time with another woman alone at a friend’s house, for example, you probably have shown opportunity. However, the court will not accept vague accusations of opportunity; the proof must be “sufficiently definite to establish the place and time.” In other words, you need to be able to prove that they were alone for a definite amount of time on a certain date. If a private investigator sees your husband park his car at his girlfriend’s house at 9 a.m. and the car remains parked there until 3 a.m., you usually have proof of opportunity.


Because adultery is a private act by its very nature, South Carolina courts allow circumstantial evidence to prove adultery. You do not have to provide eye witness testimony to the sexual encounter. Many times friends will provide written statements or testify in court about the details of your wife’s affair. Photographs and records of explicit communications between her and her lover can also be presented to the judge. Most attorneys will advise clients not to follow their spouses themselves, however. Any type of amateur surveillance could lead to trouble because of South Carolina privacy laws. In some cases, you might consider hiring a licensed and bonded private investigator to help you prove adultery.

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