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|1. Knowing||By understanding these issues, an analyst can better identify these situations.|
|2. Accepting uncertainty||When evaluating an image, the result may not be a "yes" or "no" answer. Responses like "inconclusive", "cannot be determined because..." or "I cannot tell due to..." are perfectly acceptable.|
|3. Offering alternate answers||Every picture tells you something. Even a very low quality picture can be informative. For example, you can ask "why is it such as low quality picture?" More often than not, an investigator can point out inconsistencies in the assumptions that drive the questions. If the image is supposed to be direct from an authoritative source, then it should not be very low quality.|
|4. Finding better sources||A small or cropped version of a photo had to come from somewhere. Where did the picture come from? Similar image search tools, such as TinEye and Google Image Search, may be able to find larger versions of the picture, versions with more content (uncropped), or at a higher quality. (See the Similar Image Search tutorial for more information about finding visually similar pictures.)|
|5. Requesting original sources||Screenshots record what was displayed on the screen, which is not ideal for an evaluation. However, the screenshot may contain enough information for you to track down a higher quality source. For example, if the screenshot shows a web page, then go directly to the web page for the content to evaluate.|