MA resident facing OUI 2^nd charge following single car accident. Defense obtains record of prior conviction where driver appeared “Pro se” without a lawyer at his arraignment and entered admission to OUI 1^st Offense. Client unaware that breath test evidence .17 was inadmissible at the time and he was otherwise completely unaware of the defenses he had available to challenge this OUI 1^st charge. Defense Motion to Vacate Plea allowed, OUI 1^st charge ultimately dismissed outright, converting pending OUI 2^nd charge to a true OUI 1^st.