http://cjonline.com/stories/061708/haw_291742497.shtml
"At this stage, Collins' level of legal woe stemming from a May 2007 incident in which he is alleged to have exposed himself and rubbed against a woman in Jayhawker Towers."
For his part, Kansas coach Bill Self issued a statement in support of Collins. "This is a very serious allegation that we have not taken lightly," he said. "We were made aware of the allegation over 13 months ago."
Nobody was publically aware of this until after the 2008 season and he sat out no time.
http://nbcsports.msnbc.com/id/22223580/
"The hearing for Kansas star Brandon Rush for failing to appear in court on traffic charges was delayed until after the basketball season. Rush was arrested Dec. 6 on two warrants and was released after posting $500 bond. On Wednesday, a judge granted a postponement until April 11. The NCAA men's basketball championship is April 7 in San Antonio."
http://www2.kusports.com/news/2008/apr/04/brandon_rush_has_court_date_child_support_case/?mens_basketball
"Kansas University junior basketball guard Brandon Rush has a Missouri court date related to a family court and child support case when the season ends. According to Jackson County, Mo., court records, Rush has a hearing scheduled for May 13 in Kansas City, Mo. The case was filed March 11 along with a motion for civil contempt."
http://www2.kusports.com/news/2006/nov/08/giles_gets_booted_good/?more_like_this
Too much there to pull out pieces, you'll just have to read the whole article.