Narrated Qatadah bin An-Nu'man:"There was a household among us called Banu Ubairiq, among whom was a Bishr, a Bushair, and a Mubashshir. Bushair was a hypocrite who would recite poetry reviling the Companions of the Prophet (ﷺ) then he would attribute it to some of the Arabs. Then he would say: 'So-and-so said this and that [So-and-so said this and that].' So when the Companions of the Prophet (ﷺ) would hear that poetry, they would say: 'By Allah! No one but this filthy person said this poetry - or as the man said - and they would say: 'Ibn Al-Ubairiq said it.'" He said: "They were a poor and needy household during Jahiliyyah and Islam. The only food the people of Al-Madinah had was dates…
وَمَن يَكْسِبْ خَطِيٓـَٔةً أَوْ إِثْمًا ثُمَّ يَرْمِ بِهِۦ بَرِيٓـًٔا فَقَدِ ٱحْتَمَلَ بُهْتَـٰنًا وَإِثْمًا مُّبِينًا
But whoever earns an offense or a sin and then blames it on an innocent [person] has taken upon himself a slander and manifest sin.
Saheeh International
Sunnah · quoting this verse