The butterfly effect's (http://www.urbandictionary.com/define...) got nothing on heroin. Because that first hit almost always leads to a second one. And once you're addicted, there's almost nothing you won't do to keep using. Lying, begging, stealing stuff, selling your body. Suddenly, you're doing things for heroin that you'd never do on your own. Suddenly, you're not you anymore. You can see heroin's effects in communities all over Wisconsin. (http://www.doj.state.wi.us/dci/heroin...) It's The Fly Effect. (http://theflyeffect.com/) And it's deadly.