In September, the San Diego County Sheriff’s Department began a one-year pilot program that includes four camera-equipped drones. Despite urging from the ACLU that the Sheriff’s Department first seek input from the public and the County Board of Supervisors, it did neither.

The government is invisibly collecting data on Bluetooth equipped smartphones along roadways. It’s logical to assume this collection will expand to other public areas, and smartphones make a tantalizing tool for precise tracking.

As the national debate rages over privacy in the digital age, our mayoral candidates should go on the record about how they will protect civil liberties as law enforcement agencies propose and adopt new technologies.