Make & model
Wouldn't it be easier to look in the EXIF data?
Sure, it could be wiped/changed, but hey, any editing whatsoever will stymie any hope of forensic examination.
If you recently murdered someone and took a picture of the victim as a little memento, you’d be wise to ditch the camera. Because imaging boffins have developed a way of identifying a camera’s particulars from its pictures. Scientists at the Department of Electrical and Computer Engineering, Polytechnic University, New York …
when you consider how many different cameras there are. I wonder if it relies on having an unprocessed image, or if one scaled/edited would still work?
As most webbed/mailed images have been at least partly processed, having an untouched image more or less requires having the camera or computer of the photographer - in which case it's not that usefull to know that camera model!
Damn- first they took away our ability to make Xerox(c) copies of currency, now the odd murderer / miscreant can't pause to take pictures of their handy work. Soon enough, the artistic expressions of the criminal mind will be completely hedged in by these folks, and it just won't be fun anymore to express one's self at all in a criminal enterprise...