8 USC Section 1227
(2) Criminal offenses
(A) General crimes
(i) Crimes of moral turpitude
Any alien who -
(I) is convicted of a crime involving moral turpitude
committed within five years (or 10 years in the case of an
alien provided lawful permanent resident status under
section 1255(j) of this title) after the date of admission,
and
(II) is convicted of a crime for which a sentence of one
year or longer may be imposed,
is deportable.
(ii) Multiple criminal convictions
Any alien who at any time after admission is convicted of
two or more crimes involving moral turpitude, not arising out
of a single scheme of criminal misconduct, regardless of
whether confined therefor and regardless of whether the
convictions were in a single trial, is deportable.
(iii) Aggravated felony
Any alien who is convicted of an aggravated felony at any
time after admission is deportable.
(iv) High speed flight
Any alien who is convicted of a violation of section 758 of
title 18 (relating to high speed flight from an immigration
checkpoint) is deportable.
(v) Waiver authorized
Clauses (i), (ii), (iii), and (iv) shall not apply in the
case of an alien with respect to a criminal conviction if the
alien subsequent to the criminal conviction has been granted
a full and unconditional pardon by the President of the
United States or by the Governor
of any of the several
States.