. >> reporter: civil rights attorney john burris believes the federal probe is warranted, and so does raheem brown's mother. >> i want justice for my son. >> i'm not totally against the police. i'm against the police officers that take their job to another level. >> reporter: now it's unclear exactly when that federal probe will begin or how long it will last, again, the district says that it expects to fully cooperate, hand over any information that is requested. they also say that they are confident they have handled the cases in question properly. in oakland, i'm jodi hernandez, nbc bay area news. >> thank you, jodi. now if someone says to you coming soon, what is your expectation? a few days, a couple of weeks? maybe a month. well, santa clara county's light rail provider has promised credit card readers for nearly two years. >> an investigation asking why vta has spent more than $6 million and nothing to show for it. chief investigator tony kovales c ki. tony, what does coming soon mean to them? >> reporter: here you can purchase transit tickets on b.a.r.t., san francisco muni an