It’s a widely recognized, yet “hush-hush” problem at the lake. The issue is sex trafficking. Advertising commercial sex acts soon will be a crime in Missouri under an expanded sex trafficking law. Legislation signed Wednesday by Governor Jay Nixon will expand the crime of sex trafficking in the state to include ads. It takes effect Aug. 28th . Proponents say it will help law enforcement crack down on predators. It outlaws ads on posters, websites, apps and other places for prostitution and pornography of children and non-consenting adults. Those found guilty of sex trafficking face up to 20 years in prison or life behind bars if the victim is a minor or trafficking was committed using force.