It would fall under the domain of contract law, because maybe the contract of the grant doesn't prohibit what the researcher did. The way to determine that would be in court - civil court.
Most institutions aren't very chill with grant money being misused, so we already don't need to burden then state with getting Johnny muncipal prosecutor to try and figure out if gamma crystallization imaging sources were incorrect.
Most institutions aren't very chill with grant money being misused, so we already don't need to burden then state with getting Johnny muncipal prosecutor to try and figure out if gamma crystallization imaging sources were incorrect.