Menlo Park police said they believe the men carried out a robbery on July 12 when they assaulted a man walking with a couple of friends, snatching a gold necklace off his throat. The assailants fled in a silver pickup truck.
Evidence led to Aaron Martinez, 18, of San Jose; and Miguel Zamora, 19, and Antonio Sotelo-Lozano, 18, both of Palo Alto, according to police, who worked closely with Mountain View detectives as the men were suspected of a similar robbery there.
The investigation into whether they're also responsible for crimes in other cities in San Mateo and Santa Clara counties continues.
Mr. Martinez was arrested in Redwood City, while Mr. Zamora was taken into custody at his home when he drove up in the same pickup truck believed to be used in the robbery. Mr. Sotelo-Lozano was already in jail for a Mountain View theft, police said.