It's in the article: > [The lawyer's] arguments seemed to stray sometimes from the logic used in the Gonzalez family’s complaint, and that frequently confused

It's in the article: > [The lawyer's] arguments seemed to stray sometimes from the logic used in the Gonzalez family’s complaint, and that frequently confused some justices. When a judge is "confused", what they mean is that the lawyer isn't making sense. (Cf., "The Wookkie defense")