There have been no actual "reports" that I have read, but the FBI spent a day and a half at the shop with the owner, working to identify all the vehicles on the tapes...so yes, it has been done did read the girls were the ONLY people on bikes that day, so that tells me it's a fairly quiet street.
The FBI by now will have a very good idea of what cars and people were about that day, all over town...which is why it is odd that they haven't requested sightings of, say, a black suv or a white van (sexual perverts vehicles of choice btw). They will have traced the cars on the road, the ownership of the cars, where the drivers went, what they bought if they shopped, etc.
God I love cctv

Its every where now, and more and more crime is solved because of it.