I ran across some great information from www.immigrationdefenselproject.org on the Padillia case. Here’ is the main points

Some Key Padilla Take-Away Points for Criminal Defense Lawyers

• Deportation is a “penalty,” not a “collateral consequence,” of the criminal proceeding. The Court held that deportation is a “particularly severe ‘penalty’” and made clear that the “direct

 Criminal defense lawyers in Tennessee and across the country are struggling with the fallout from the recent case from the U.S. Supreme Court.In Padilla v. Kentucky , a copy of the opinion is attached to the link, the court held the conviction was invalid based upon the criminal defense attorney’s representation of the effects of