Gov. Katie Hobbs' order expands border security operations in four border counties, Yuma, Pima, Santa Cruz and Cochise.

Authorities once tried to break up prison gangs like the Aryan Brotherhood, Mexican Mafia and Nuestra Familia by convicting their leaders in federal court, then banishing them to places like ADX ...

SAN DIEGO — More than a dozen gang members connected to the Mexican Mafia prison gang were arrested early Friday and accused of attempted murder, kidnapping and drug trafficking in San Diego County, ...