catastrophe that day. he joins me now. lieutenant bailey, thank you very much for being here. >> you are very welcome. i'm glad to be here tonight. >> we are grateful to you for what you have done and the situation that could have potentially saved lives. the students at the university alerted you at first about the suspect being on that campus. what led them to flag you down to confront him? >> they advise that they saw him putting on a tactile vest and gloves and the mask. they advise that we need to check that vehicle out. >> when you got to the scene, just describe for us what you saw and what the suspect was doing, where was he? >> at that time, we were sitting inside the same parking lot of said suspect when the students alerted us at that time.