A San Francisco Doom Loop Walking Tour promises to show visitors the worst the city has to offer, including crime-riddled streets taken over by the homeless where addicts openly use drugs.

In many ways, San Francisco’s downtown is in dire straits. The city’s Union Square neighborhood — once bustling with shoppers, diners, and tourists — has suffered from declining foot ...

In San Francisco's Mission District, police and city workers are faced with tense and emotional challenges. Jeff, who didn't want to share his last name, was upset by his arrest.

San Francisco had around 6,500 homeless residents in 2009. Today, it has nearly 10,000 homeless residents. Around 42% of the city's current homeless population struggles with drug or alcohol abuse.