The 1st District overturns a high tier conviction OVI conviction because it had been improperly amended from a low tier charge, the 12th District confirms that OVI and aggravated vehicular homicide charges need not be merged, the 11th District holds that the repeat OVI offender specification does not violated the Constitution, and the 12th District holds that tampering with drugs is not a crime when it is done during an impaired driving/bar fight investigation.