... This appeal presents a recurrent situation: the motion of an alien defendant to vacate a long past
conviction because of an alleged omission of the required warning of immigration consequences
by the judge receiving the defendant's plea of guilt or his admission to facts ...
... [1] He argues that he is entitled to withdraw his admission because he did not receive
immigration warnings as required by GL c. 278, § 29D, before offering his admission,
and that no record exists indicating that such warnings were given. ...
... "If you're not a United States citizen there could be immigration or deportation
consequences as a result of a criminal conviction. ... The defendant was notified by the
immigration authorities of pending deportation proceedings in May, 2005. ...