It is quintessentially the duty of counsel to provide her client with available advice about an issue like deportation....
Padilla v. Kentucky, 559 U.S. 356, 371 (2010)
帕迪利亚诉肯塔基州案,559 U.S. 356 (2010)
The United States Supreme Court confirmed that defense counsel has an affirmative duty to advise noncitizen clients about certain immigration consequences of a plea. Meeting that obligation requires reliable, up-to-date knowledge of immigration statutes, case law, and agency interpretation.