Alexandra Mendoza

The father founded a collective to search for his missing son, as have hundreds of others in Mexico searching for loved ones

California Gov. Gavin Newsom holds a press conference along the U.S.-Mexico border at Otay Mesa on Thursday. (Nelvin C. Cepeda / The San Diego Union-Tribune)

Sheriff Kelly Martinez says her office already follows state law that limits how law enforcement can cooperate with immigration authorities

Sheriff Kelly Martinez says her office already follows state law that limits how law enforcement can cooperate with immigration authorities

The Biden administration has pledged to reopen access to the U.S. side, but uncertainty grows as a new federal administration approaches

The trash boom is the third, and largest, in the Tijuana River area at 450 feet long

SAN DIEGO — A new trash boom system is intercepting trash, plastics, tires and other debris flowing from Mexico into San Diego's Tijuana River

San Diego County Sheriff Kelly Martinez will continue to cooperate with ICE as state law allows, setting up a showdown as Trump promises mass deportations

San Diego County Sheriff Kelly Martinez will continue to cooperate with ICE as state law allows, to the ire of the county Board of Supervisors and immigrant rights groups

San Diego County Sheriff Kelly Martinez will continue to cooperate with ICE as state law allows, to the ire of the county Board of Supervisors and immigrant rights groups