students on campus. noelle walker is live at uc berkeley where you are getting reaction from the students. >> reporter: we've been talking to students here this morning. a few of them have told me they've seen notices posted inside residence halls here on durant. wednesday night, a man exposed himself to three women who were in the workout room of unit 1 building in the 2600 block of durant. they called police. but that man ran before officers arrived. >> i've never seen him. the fact that he's here is a little nerve wracking. i have never felt unsafe. there's usually people around. it has not altered my feelings about living in unit 1. >> i see security come through here maybe about once a night to check to see if there's homeless people around the fire escape area. doesn't seem to be much around here. >> reporter: the suspect, white