Billionaire heiress, 16, whose mom founded Flickr and dad founded Slack vanishes in San Francisco’s notorious drug-riddled Tenderloin district as cops issue plea for help to find her
An heiress to a $1.6 billion tech fortune has vanished and is feared to be in one of San Francisco’s most crime-ridden neighborhoods. Mint Butterfield, daughter of wealthy businessman Stewart Butterfield, was last seen on Sunday night at around 10pm in Bolinas,