Nearly 5,000 people were murdered in the state of Arizona between 2000 and 2010, a study found.
According to the Wall Street Journal, the victims were largely Hispanic or white, non-Hispanic people.
The killers were also a majority of Hispanics or white, non-Hispanics.
Both the victims and killers were largely males in between the ages of 18 and 39.
Most murders occurred because of some type of argument, though drugs and robbery were high on the list.
The survey said that half of the murders were committed by someone who did not know the victim.
Firearms were the weapon of choice in 3,599 murders, with knives (539 murders) and a blunt objects (284 objects) following, respectively.