WINONA, Minn. – After stopping a car for erratic driving, the officer said he smelled marijuana’s distinctive odor wafting from the driver’s window. The driver, Cody Joseph Koscianski, 20, of Winona, was asked whether he was smoking marijuana. The officer said Koscianski admitted to being a regular user but not since the day before. The officer wasn’t impressed. A blood sample was drawn and sent to be tested by the state crime lab. This was about 1:30 a.m. at Third and Franklin streets.
Earlier: Driver had lots of explaining to do

Koscianski. Charge hinges on blood test results.