Honest journalistic question time:

When you transcribe a suspect’s words from a video for a text piece, do you clean up their grammar?

This is the example I spotted last night:
wcbstv.com – ROUND 2: Wild Knife Fight At NYC Deli

“All I know is my wounds are deep,” explained 29 year-old Arno Ortho.

But that’s not what he said.  His exact line was, “All I know is my wounds is deep or whatever.”

The “or whatever” thing grates on me, but I can understanding cutting it out.  But changing the incorrect second “is” to “are” is just changing the quote and bad journalism.