By JAXON VAN DERBEKEN, San Francisco Chronicle

SAN FRANCISCO -- Terry Childs envisioned the ultimate revenge on his bosses, prosecutors say -- the meltdown of the city's computer network at the flick of a switch.And it would come not directly at the hands of Childs, but during routine system maintenance at the building that houses the city's technology department.

SAN FRANCISCO -- An effort by San Francisco to shield eight young Honduran crack dealers from federal immigration officials backfired when the youths escaped from Southern California group homes within days of their arrival, officials said Monday.

SAN FRANCISCO -- In a frantic call to 911, Kulbir Dhaliwal repeatedly pleaded for police and medical crews to help his brother after a tiger attack at the San Francisco Zoo, saying the situation was "life and death" and asking that a helicopter be brought in to rescue him.