Carmen Tisch, who is charged with criminal mischief, is seen in this Denver County Jail booking photograph released to Reuters on January 4, 2012. Tisch, who punched, scratched and slid her buttocks against a $30 million painting by abstract expressionist Clyfford Still at a Denver museum has been sentenced to two years of probation, and will have to undergo mental health treatment, prosecutors said on May 31, 2012. REUTERS/Denver District Attorney's Office/Handout (UNITED STATES - Tags: CRIME LAW HEADSHOT) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS