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Hello All. Sorry for the cross post in forums. I'm a detective in Tennessee and need a little help. I work on computer forensic investigations and I am currently working a case where there is evidence that a person has possibly hidden an image using Photoshop, Gimp, or something. The things I need to know is what image format do I need to be looking for? There were no .psd's on the hard drives but what other formats? Can a .bmp, .,jpg, or .png for example be manipulated with layers, masks, or anything else to conceal an image. Also, I am not a big photoshop user but I need to investigate this further. I will be using Gimp. What would be the process of importing an image and showing the layers. I have tried but failed miserably in working with layers, trying to show different layers, etc. HELP PLEASE.

Thanks

Chad