Napa artist admits to making fake drone signs


The signs read "speed enforced by drones" and show a missile firing from the craft.

They appeared last week on Highway 101 and Highway 37.

Artist Stephen Whisler, 59, says the prank is a political statement on the use of drones for spying and warfare.

The California Highway Patrol is investigating and Whisler could face a penalty for putting up unauthorized signs.

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