Fletcher used a map (see page 17 of his opinion) to show why voters of Native American and Hispanic descent were far more likely to file a ballot at the wrong precinct, whether intentional (for convenience) or not.
Fletcher employed a diagram (noted on page 17 of his ruling) to clarify how voters from underrepresented communities, including those of Native American and Hispanic heritage, were more likely to mistakenly cast their ballots at an incorrect polling location, either intentionally or unintentionally.