Full coverage of the death of Oscar Grant and the aftermath.
The 1991 case becomes a cautionary tale for prosecutors now that the Alameda County district attorney has filed murder charges.
The unarmed man put up a brief struggle with officers but had been restrained and had both arms behind him when he was shot in the back, police investigators said.
Suspicious packages were found near their home, police said.
Demonstrators march from City Hall to the Alameda County Administration Building Wednesday night.
Mehserle will face murder charge. Plus: BART reaction to arrest (pdf)
The 27-year-old BART cop is taken into custody on murder warrant.
A raucous crowd protesting the shooting death of a BART passenger marched through downtown San Francisco.
Case has been forwarded to the Alameda County district attorney's office, officials said.
Speakers at meeting demanded the immediate arrest of officer Johannes Mehserle.
The case has elicited a strong reaction, especially among African Americans.
State attorney general is sending an observer to the Alameda County district attorney's office to encourage prompt action.
They were among 105 people arrested during a raucous demonstration in Oakland.
The man behind the march said he broke down in tears when he saw his peaceful rally turn violent.
The Bay Area rail agency's elected directors one by one offered apologies, some of them tearful, to the victim's family.
A protest over the fatal shooting by a BART police officer of an unarmed black man mushroomed into several hours of violence.
Hundreds of friends, relatives remember the young man who was fatally shot.
Johannes Mehserle is being kept under wraps and moved from place to place. Matier & Ross
Footage of the incident have been broadcast on television and spread over the Internet.
Meanwhile, BART has yet to speak with the officer or say why he fired his gun.
The delay comes as witnesses emerge with their accounts of what happened, some with video footage of the incident recorded on cellular phones.
BART's police chief asked for patience from the public after video footage surfaced showing one of his officers fatally shooting an unarmed man.
Attorney John Burris said that a number of witnesses have told him Oscar Grant was posing no threat to the officer or anyone else.
Dozens of potential witnesses flooded BART's investigation hot lines.
A young man allegedly involved in a fight aboard a train was shot to death by a BART police officer on the platform.
It's a relief to see the district attorney taking the matter seriously.
There was a riot going on, but then it stopped.
The protest was mayhem masquerading as social justice.
BART had better find a way to reach out to the public effectively about what is going on and why.