Police take notice of car driving below speed limit with headlights flashing constantly from high to low beam. Patrolman follows driver for 1.4 miles sees three marked lanes violations. Following stop officer notes odor of alcohol, slow and slurred speech and admission to “a few drinks” from driver. Officer testifies that driver refuses to complete two standard field sobriety tests due to serious back injury and failed two other tests. Defense challenges validity of remaining field sobriety tests, offers medical records to confirm debilitating back injury and independent witness to confirm driver’s sobriety. Not guilty verdict following trial.