In rochin v. california, the supreme court ruled that the suspect could not be tried because

It ruled that the court process violated his due process rights

They explained that the court proceedings violated her due rights because of a concept called "shock of the conscience". The evidence that was obtained in the case was illegally obtained and although Rochin argued that the evidence was inadmissible in court, the court found him guilty. The supreme court released him because his due process rights had been violated.