Students, a staff member and a vendor who are all expected to survive. The campus is 10 years old and located just outside of merced in the central valley. Maureen naylor is near the campus right now in joins us live with the news latest developments. Reporter we just listen to a press conference that wrapped up about half hour ago and we learned more about the accused attacker. We are told he was a student at uc merced who lived in an on campus dorm. The Sheriffs Department has identified him but at this point they are not releasing his name because they are still trying to contact his family who lives outside of the area. We also learned the weapon used was a hunting style knife between 8 and 10 inches long. This happened around 8 00 this morning inside of a classroom where a male student was stabbed. Than a construction worker came into help and was stabbed. He is being hailed as a hero for saving the first victims life. Than the suspect ran outside and stabbed another male student