The Minnesota Court of Appeals, raising constitutional concerns, overturned the conviction Tuesday of a man sentenced to five years in prison for refusing to submit to a blood test after he was arrested in Ramsey County for drunken driving in 2012.
Legal profession representatives said the 2-1 decision will have widespread implications for law enforcement.
The Ramsey County attorney's office issued a statement saying it "respectfully disagrees" with the appellate decision and will file a petition with the Minnesota Supreme Court asking it to reverse.
Incarcerated since 2012, Todd Eugene Trahan, 55, formerly of White Bear Lake, was informed Tuesday of the Appeals Court decision by the Star Tribune. "God bless the Court of Appeals," he said in a telephone interview from the Minnesota Correctional Facility at Faribault.
The Appeals Court said that Ramsey County authorities should have gotten a search warrant from a judge to conduct a blood test in the case it examined because of the "invasive" nature of using a needle to draw blood, compared with taking a breath.
It said there was no "compelling" reason to sidestep such a warrant in Trahan's case and thus the conviction "violates a driver's right to due process under the United States and Minnesota constitutions."
Joseph Daly, professor emeritus at Hamline University Law School, said that in the ruling's wake he would recommend that law enforcement officers in Minnesota not conduct blood tests of suspected drunken drivers without their permission or a warrant.
"I think Joe's analysis is a good one," said Bob Small, executive director of the Minnesota County Attorneys Association. He called the appellate ruling "a huge decision."