Mahabharata 12.286.7
पापात्पापसमाचारान्निहीनाच्च नराधिपपाप एव वधः प्रोक्तो नरकायेति निश्चयः
pāpātpāpasamācārānnihīnācca narādhipapāpa eva vadhaḥ prokto narakāyeti niścayaḥ
Our plain-language meaning of this verse is waiting for scholar review.
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