Missing tech billionaires' daughter, 16, is last seen at ferry port town 40 miles from San Francisco's drug-riddled Tenderloin district amid fears she ran away from home at the weekend still in her pajamas before her mom raised the alarm
Mint Butterfield, 16, vanished from her mother's home in affluent Bolinas, on April 21. Her mom, Flickr founder Caterina Fake, reported her missing the following day.