Digital detectives discern Photoshop fakery : New software combs for clues in al Qaeda tapes, Harry Potter pages, and celebrity waistlines / Christian Science Monitor, 29 August 2007
http://www.csmonitor.com/2007/0829/p13s02-stct.html
Chris Gaylord
"As image-manipulation software becomes easier to use and harder to detect, the problem of tampering has spread far beyond such celebrity "corrections." While fudged paparazzi moments do little more than embarrass editors, there are far more important – and sometimes illegal – fakes to catch. "The most common examples of doctored photos occur in the media, but there are serious cases of image manipulations in security and investigations as well," says Cynthia Baron, author of the book "Photoshop Forensics," scheduled for release in December. "There are researchers working as the frontline of defense against digital fraud." And they're developing some very tricky ways to spot shams."