I checked the Orlando Sentinel for the earliest reports of the shooting. The earliest one I found was February 29 and had a picture of Trayvon at 17 and in a Hoodie. Wonder when the parents started to get Promotional Professional Publicity advice and when. Subsequent articles show pictures provided by the parents of the twelve and younger Trayvon.
My guess is when the issue got on the White House / Media Matters radar and they decided to exploit it to gin up the base for the election.
The photo they ran with that story was doctored. Original vs. amateur Photoshop job: