∙ A 14-year-old girl suffered life-threatening injuries after being struck by a car near Lake Merced Friday evening. The teen was walking her dog at the time, around 6:15 p.m. [Examiner]

∙ Authorities just busted a major credit card skimming ring in Sacramento. The suspects are accused of installing tiny cameras and skimming devices on ATMs in and around Sacramento and throughout the state. [KCRA]

∙ Vacaville police have identified a Jane Doe whose body was found in a field 28 years ago. The woman turns out to be Cynthia Bilardi, a homeless woman whose child was taken away from her in Santa Rosa in 1983. [NBC Bay Area]

∙ Aleksandr Kogan, a 32-year-old academic who was named in the Cambridge Analytica scandal, is suing Facebook for defamation. Kogan, who created a quiz app to collect peoples' data, says the company defamed him when they said he lied about how the data was going to be used. [New York Times]

Brian Acton, co-founder of WhatsApp, gave a lecture at Stanford this week and told students to "delete Facebook now." [BuzzFeed]

A suspect is in critical condition after attempting an armed robbery at the Bellagio casino in Las Vegas on Friday. [CNN]

The Presidio Trust has received a proposal to rehabilitate the 30-acre Fort Winfield Scott at the base of Golden Gate Bridge. [Examiner]

A new UCSF study finds that moisturizer may help fend off aging-related diseases. [SFGate]

Four churches around Oakland are opening up their parking lots to homeless people living in their cars. [CBS SF]

The smoke detectors at the new Warriors Arena are being installed by the same 130-year-old company that maintains the smoke detectors in all of SF's oldest structures. [Examiner]