1 - google image search
2 - "Jared Loughner mugshot"
3 - In the results do not look at his face, only look at the wall in the background.
How many different colors do you see? In the first 12 results I can count atleast 4 different versions where the wall has been darkened to different degrees. That is just with my eye, there could be even more manipulations.
Here are a few images questioning the level of manipulation, but first an image from Time that they credit as an illustration that I find pretty offensive: