Mahabharata 5.10.42

ततो हते महावीर्ये वृत्रे देवभयंकरेअनृतेनाभिभूतोऽभूच्छक्रः परमदुर्मनाःत्रैशीर्षयाभिभूतश्च स पूर्वं ब्रह्महत्यया

tato hate mahāvīrye vṛtre devabhayaṃkareanṛtenābhibhūto'bhūcchakraḥ paramadurmanāḥtraiśīrṣayābhibhūtaśca sa pūrvaṃ brahmahatyayā

Our plain-language meaning of this verse is waiting for scholar review.