The student who stabbed four people on the campus of UC Merced was identified Thursday as 18-year-old Faisal Mohammad from Santa Clara, Calif., the university confirms to Fox News.
"He had a smile on his face, he was having fun," a construction worker who helped stop the attack told CBS 47.
"He had a smile on his face, he was having fun," a construction worker who helped stop the attack told CBS 47.