Oikos University shooting occurred on April 2 , 2012 , when a gunman shot at people inside Oikos University , a Korean Christian college in Oakland , California , United States . Within a few hours , the number of reported fatalities reached seven . 43-year-old One L. Goh , a former student at the school , was taken into custody and identified as the suspect in the shootings . Along with the California State University , Fullerton massacre , this was the fourth-deadliest university shooting in United States history , after the Virginia Tech massacre , the University of Texas Clock Tower shooting , and the Umpqua Community College shooting , and the ninth-deadliest U.S. school massacre overall . It is the deadliest mass killing in the city 's history
Umpqua Community College shooting
Umpqua Community College shooting
Oikos University shooting