In the absence of king's protection the destroyer of a person guilty of Brahmanicide would not get any reward; rather the person. Guilty of Brahmanicide, would would not be punished. an
न लभेद् धर्मसंश्लेषं हतविप्रहतो जनः। हर्ता स्वस्थेन्द्रियो गच्छेद् यदि राजा न पालयेत्॥