Tonight, we're covering the first arrest on TriMet under a new law against drug use on public transit, how law enforcement in Portland is preparing for the possibility of civil unrest around Inauguration Day, and a surprise update in our "Tainted Waters" series on contaminated wells in Morrow and Umatilla counties. Get the full story tonight at 6:30 on KGW, or download the KGW+ app now on Roku, Apple TV or Amazon Fire TV to find The Story on demand. #thestorykgw Watch more The Story videos: http://bit.ly/watchTheStory Follow The Story on Twitter: https://twitter.com/TheStoryKGW Follow The Story on Instagram: https://instagram.com/thestorykgw