It may well have been taken using the usual screenshot mechanism, but legal documents often end up in printed form, passed around and photocopied. People worki

It may well have been taken using the usual screenshot mechanism, but legal documents often end up in printed form, passed around and photocopied. People working on the case may not have the original image files, only paper copies or (gasp) scans of the same. You'd be amazed how much stuff is printed out and trucked around for lawsuits.