San Francisco Subway Shuts Cell Service to Foil Protest; Legal Debate Ignites (David Kravets/Threat Level)

David Kravets / Threat Level:

San Francisco Subway Shuts Cell Service to Foil Protest; Legal Debate Ignites  —  BART workers remove a man atop a train during a protest at the Civic Center station in San Francisco last month.  Authorities closed the station where demonstrators condemned the fatal shooting of a man by transit police the week before.