State v. Tiernan

HARRIS, Justice.

We affirm defendant’s conviction of operating a motor vehicle while under the influence of an alcoholic beverage.

On June 24, 1971 Iowa Highway Patrolman Larry Mathers observed the defendant driving his truck. The truck was being driven in an erratic manner, slid sideways and weaved considerably. The officer’s overhead lights and siren failed to stop the truck and it was not until Mathers drove his patrol car in front of defendant and gradually slowed down that defendant stopped.

After defendant was advised of his constitutional rights and submitted to routine balance tests he…