Ezra is aware of and knows that particular command that was violated that was reported to him. This is the sin that is going on among the people. And Ezra says, according to the Word of God, that is sin. He also quotes here in his prayer that particular law, the command of God, and the reasons for it—the abominations, the results, the fruit of this compromise. And so there is a knowledge, an understanding of a confession—not only of guilt, not only the punishment, but also the actual cause, the sin that was violation of the law of God.1
Michael Voytek
10 “And now, O our God, what shall we say after this? For we have forsaken your commandments,