DNA Evidence In Columbia Student Rape

Yesterday, the ex-con accused of raping, torturing and setting fire to a Columbia Graduate School of Journalism student on April 13th was [indicted] on attempted murder, rape and other charges. Now, prosecutors say they have [DNA evidence](http://www.nypost.com/seven/06012007/news/regionalnews/rape_gal_holds_t_to_justice_regionalnews_jennifer_fermino.htm) linking Robert Williams, 30, to the victim, 23, thanks to valuable information she provided: that her attacker wore her T-shirt during the 19-hour ordeal. Authorities were able to recover it, and found a DNA sample that matched what Williams had spit into a trashcan during questioning. Williams pleaded [not guilty](http://www.ny1.com/ny1/content/index.jsp?stid=1&aid=70294) and faces life in prison if convicted.