In this episode of The Legal Shark Tank, Shane Hersner discusses the evolving area of law surrounding marijuana OVI offenses in Ohio. He explains that currently, authorities use urine tests to determine if someone is under the influence of marijuana while driving, with a focus on marijuana metabolites rather than active THC levels. Shane clarifies the process of urine sampling at the station and the threshold limit of 35 nanograms for marijuana metabolites. Tune in to gain valuable insights into navigating marijuana OVI cases and understanding the legal implications.