Reference for Sanhedrin 172:9

והכל מודים בבן סורר ומורה בעדים אחרונים שנהרגים מתוך שעדים הראשונים יכולין לומר להלקותו באנו והני כוליה דבר קא עבדי ליה

But if he [the accused] is not flagellated, how can they [the false witnesses] be?<span class="x" onmousemove="('comment',' This concludes the proof that Hezekiah must hold that abduction alone is punished by lashes. For since it has been shown that in his opinion witnesses who testify falsely thereto are flogged, it follows that abduction itself is so punished, as it is a general role, stated in Deut. XIX, 19, that the witnesses receive only the punishment they sought to impose. ');">⁸</span>

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