Al-Adab Al-Mufrad, Book 42, Hadith 1018 (English) ⓘ
Al-Hasan said, "There should be not sense of respect between you and a deviant person."
حَدَّثَنَا مُحَمَّدُ بْنُ مَحْبُوبٍ، وَمُعَلَّى، وَعَارِمٌ، قَالُوا: حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ قَتَادَةَ، عَنِ الْحَسَنِ قَالَ: لَيْسَ بَيْنَكَ وَبَيْنَ الْفَاسِقِ حُرْمَةٌ.
also referenced under: Hadith 1018 (Reference) & Book 42, Hadith 55 (In-Book)