﴿ وَمَن يَكْسِبْ خَطِيٓـَٔةً أَوْ إِثْمًۭا ثُمَّ يَرْمِ بِهِۦ بَرِيٓـًۭٔا فَقَدِ ٱحْتَمَلَ بُهْتَٰنًۭا وَإِثْمًۭا مُّبِينًۭا ﴾

“But he who commits a fault or a sin and then throws the blame therefore on an innocent person, burdens himself with the guilt of calumny and [yet another] flagrant sin.”

Please check ayah 4:113 for complete tafsir.