Who said he ran or sprinted? The media? The guys staring at the screen trying to figure out what the multicolor picture showed?
Maybe the guy just took his belongings and walked off. Easy to imagine knowing the situation in Terminal 2.
Of course, a "sprinting suspect" is more likely to give an overall picture to the public which allows the security staff to keep their job. Or at least their face.
Any surveillance video-scenes shown already?
".... and now to those bodyscanners. We should buy some and trap those air-traveling suspects until their laptops and pubic hair is screened...... "