[Minutemen]

"The violent encounter raised questions about the lack of surveillance in the subway system.".........

...As if some Gub-mint bureaucrat watching a video monitor could have saved Mr. Garcia's life?

[Pharmboy]

Well, the other possibility is that if the subway car had been under surveillance, Mr. Garcia might not have had to spend any time in jail awaiting his grand jury appearance as the DA would have seen what had transpired.

[ChronicMA]

So why was he held in Rikers Island for two months?

After a few days investigation he should have been released to wait for the decision of the Grand jury.