steven briel, for allegedly killing her inside the house they rented with two other roommates. >> it's definitely scary, and the fact that we didn't hear anything no altercation, nothing, definitely the scary part. >> reporter: heidi lives across the street. >> they were good all go to school and all roommates. >> reporter: around 3:00 this evening two of the other roommates came home and found her unconscious. police tell me they called 911, tried cp r & b riel took off running before officers showed up. police searched for two hours and found briel at this church parking lot on the other side of town. any idea why he would allegedly do this? >> don't have any information about that at this time. >> reporter: drugs or alcohol involved. >> no indication at this time. >> reporter: grace and briel were students at the university of mary washington. police believe they were not in a romantic relationship. grace was an executive board member of feminists united, a member of the student government a history and american studies major who also served on the university president's task force on sexual assault. tonight a university spokesperson released a statement saying quote, it is with great sadness that we report the