Authorities believe 23-year-old Rebecca Villanueva was involved in the murder of 17-year-old Daniel Capetillo.
The teen was killed a week ago on Pacific Avenue, in a residential area west of downtown San Jose.
Detectives believe the murder was gang-related and that Villanueva did not act alone.
San Jose police are asking anyone with information about the murder to contact the homicide unit at (408) 277-5283, or to remain anonymous, call Silicon Valley Crimestoppers at (408) 947-7867.
