On a rainy day last December, in a courtroom in downtown Modesto, Calif., a 24-year-old white man named Jesse Sebourn, along with five co-defendants, sat accused of second-degree murder. The victim, Erick Gomez, was only 20 when he was shot to death. He was a reputed Norteño gang member who had lived just a few minutes’ drive from the working-class Modesto neighborhood where Sebourn was raised. The police estimate that there are as many as 10,000 gang members in Stanislaus County, where Modesto is, most either Norteños and Sureños, two of California’s most notorious Latino street gangs. The feud between them often turns deadly, and according to Thomas Brennan, the district attorney, this was one such instance: Sebourn and his co-defendants were Sureño gang members hunting for rivals on Valentine’s Day in 2013, when they found Gomez, out on a walk with his girlfriend.

Read more in The New York Times.