State v. Wolfe

DONIELSON, Presiding Judge.

Defendant appeals from his conviction for OWI in violation of Iowa Code section 321.281, asserting: (1) that foundation was insufficient to support admission of evidence concerning a breath test; (2) that he was denied effective assistance by trial counsel’s failure to object on hearsay grounds to admission of an officer’s observation of a visual result displayed on the machine used for a breath test; (3) that a mistrial should have been granted due to the failure of the State to produce a technician to testify concerning operation of the machine used for a breath…