If the data is off on another server, it seems unlikely that past cases can be compromised.
There are a whole set of rules about challenging evidence, including electronic evidence. Keep in mind that the other side gets a crack at it also. It is unlikely that the whole case would be thrown out because of a corrupted file. Reasonable doubt is not part of the forensic process--this is what a jury needs to consider to render a verdict.
As pointed out elsewhere, many uses of this tool are extrajudicial.
There are a whole set of rules about challenging evidence, including electronic evidence. Keep in mind that the other side gets a crack at it also. It is unlikely that the whole case would be thrown out because of a corrupted file. Reasonable doubt is not part of the forensic process--this is what a jury needs to consider to render a verdict.
As pointed out elsewhere, many uses of this tool are extrajudicial.