A man said, "O Allah's Messenger (ﷺ)! If a man finds another man with his wife, (committing adultery) should the husband kill him?" Later on I saw them (the man and his wife) doing Li`an in the mosque (taking oaths, one accusing, and the other denying adultery).
Reference: Sahih al-Bukhari 423 In-book : Book 8, Hadith 73 USC-MSA web (English) : Vol. 1, Book 8, Hadith 415 (deprecated)
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