The University of Colorado at Boulder is adding $1,000 to the reward offered by Boulder County Crime Stoppers for information leading to an arrest and filing of charges regarding a racially motivated assault that occurred last Friday in Boulder. CU-Boulder's addition will bring the reward amount to $2,500, including $1,000 from Crime Stoppers and $500 pledged by a professor of the victim, according to Ron Stump, vice chancellor for student affairs.