San Jose police have arrested four males in connection with a series of strong-armed, gang-related robberies that occurred last summer. The San Jose Police Department’s Gang Investigations Unit identified five suspects linked to at least five incidents of strong-arm robbery: Dominic Vaca, 19, Timothy Zambrano, 22, and Matthew Flores, 18, all from Gilroy, as well as a 17-year-old juvenile male suspect from Gilroy. Police are still seeking Alexis Orozco, the fifth suspect.