As of November 2012 , the city had experienced 115 killings that year , with 4 considered " justifiable " , such as in self-defense or officer-related killings . This included the killing of seven people on April 2 at Oikos University , the largest mass killing in the city 's history . 22 homicide victims were women , up from 10 the previous year . Killings related to arguments were at 18 , compared to nine in 2011 . 9 were domestic violence-related , compared to 7 in 2011 . Retaliation killings were at 14 , compared to 8 in 2011 . Confirmed gang-related killings were at 10 , with 15 gang-related killings in 2011
killing of seven people
Oikos University shooting
Crime in Oakland, California