Yes, the current wife almost certainly would have found out anyway. But the new “wife” sure made it easy, thanks to Facebook. As reported by The Capital Journal (Pierre, South Dakota):
To save his months-old marriage, Brian Wright must, a judge said Tuesday, end it and then divorce the wife he married earlier so he can legally re-marry the woman he married in May, who accompanied him to court and watched him plead guilty to bigamy.
She left holding his hand.