Reference for Sanhedrin 212:20

(א"ר) יוחנן דואג ואחיתופל לא ראו זה את זה דואג בימי שאול ואחיתופל בימי דוד

R. Ashi said: He was smitten with leprosy, for it is said, Thou hast destroyed all them that go a whoring from thee;<span class="x" onmousemove="('comment',' Ps. LXXIII, 27. ');">³⁶</span> whilst elsewhere it is written, [And if it be not redeemed within the space of a full year, then the house&nbsp;… shall be established] la-zemithuth<span class="x" onmousemove="('comment',' [H]. ');">³⁷</span>

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