Police in the college towns of Lawrence and Manhattan are still warning students to be cautious as they continue to search for a serial rapist know to attack over holidays. KMBC-TV reports that police say they have connected 13 incidents in the two towns over more than a decade to a single suspect but have yet to identify or catch him. The incidents spanned from October 2000 to December 2008. All of the victims were students of either Kansas State University or The University of Kansas. Police say each incident involved a masked intruder entering the victim’s off-campus residence.