Suspects are often referred to as 'actors', so I doubt it was any kind of a slip. RT should know better than to have allowed that bit in there, because it detracts from other things said.
I'd like to know more about the witness who says she saw a police SUV run over the older brother.
Alot of people would. The Blaze had an article about it, and as soon as it was posted Facebook started denying links to The Blaze.

He pointed out interesting discrepancies about the appearance of the blood as it appeared on camera.
There is a distinct difference between the appearance of "film set blood" vs. what real human blood looks like.
As an individual who has occassionally found myself covered in both, his points were well noted.
What I find really curious though is how all those Bostonians came out waving American flags as the police rolled out of town. Where did they get them? Does
every Bostonian have a flag, or similar size & shape? ...or were there a bunch of prop guys handing them out?

If you see any WTF photos concerning Boston, you might want to immediately d/l them.
I'm finding many are disappearing from quite a few sites that had them up.
