In searches on this event, I’m seeing a fair share of 30-minute old (or less) pieces coming up from Big Press.

CBS: “Boston bombing witnesses: In their own words”.  April 15, 2013.  “And when I turned around I could just see bloody bodies on the street, right near where we were standing. I am sure the woman who was on the ground didn’t make it. There’s no way.”

http://www.cbsnews.com/video/watch/?id=50144895n

Fox has a slide show —

http://www.foxnews.com/us/slideshow/2013/04/15/multiple-casualties-reported-after-two-explosions-at-boston-marathon/?intcmp=related#slide=1  It looks like even the big boys are pushing data through — lots of gory pictures — with scant editing.