Mahabharata 9.42.27

जनमेजय उवाच · janamejaya uvāca

किमर्थं भगवाञ्शक्रो ब्रह्महत्यामवाप्तवान्कथमस्मिंश्च तीर्थे वै आप्लुत्याकल्मषोऽभवत्

kimarthaṃ bhagavāñśakro brahmahatyāmavāptavānkathamasmiṃśca tīrthe vai āplutyākalmaṣo'bhavat

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