Matthew Kupfer

Senior Investigations Reporter

Social media posts include antisemitic propaganda and appear to show the suspect in a German World War II-era uniform.

President Joe Biden’s order will require leading AI developers to share safety test results and other information with the government.

It’s the start of Silicon Valley’s four-year residency in Washington. Here’s a look at the main players. 


Just one month before the Holocaust victim’s lost art turned up on a park bench, a painting was sold in a San Francisco Goodwill. 

French pastry chef legend Michel Suas has closed on a deal to purchase a 38,000-square-foot plot in the Tenderloin. 