[beisner]

There could be a hash collision, which might be enough to provide reasonable doubt for a jury.

[johncolanduoni]

The chances of a hash collision are drastically lower than the false positive rate of a DNA test, and US courts have accepted the latter for a long time.

[foldr]

No, I mean if they have the image files, they can look at the images. It would be irrelevant what the image hashes to.