Skandapurana 5.50.21

5.50.21

yatpāpaṃ brahmahatyāyāṃ mātāpitrośca vaṃcane ..
tena pāpena lipyehaṃ nāgacchāmi punaryadi .. 21 ..

Whatever sin is in the slaying of a brahmin and in deceiving one's mother and father, / may I be smeared with that sin if I do not return!