But we were told aggravated felony is defined as a crime whose sentence
exceed one year (do not need to be served). So 2 year probation is different from 2 year sentence?
Aggravated felony is defined in 8 USC 1101(a)(43), not as a crime whose sentence exceeds one year. Aggravated felonies include:
1. murder;
2. illicit trafficking in a controlled substance;
3. illicit trafficking in firearms, destructive devices, or explosive materials;
4. money laundering or engaging in a monetary transaction in property derived from specific unlawful activity if the amount of the funds exceeded $100,000;
5. offenses described in various sections of Title 18 relating to explosive materials or firearms;
6. crimes of violence for which the term of imprisonment imposed is at least 5 years;
7. crimes of theft or burglary for which the term of imprisonment imposed is at least 5 years;
8. offenses described in various sections of Title 18 relating to the demand or receipt of ransom;
9. offenses described in 18 U.S.C. § 2251, 2251A, or 2252 relating to child pornography;
10. an offense described in 18 U.S.C. § 1962 relating to investing income derived from racketeer-influenced organizations;
11. offenses relating to owning, controlling, managing, or supervising a prostitution business or an offense described in various sections of Title 18 relating to slavery, peonage, and involuntary servitude;
12. offenses relating to gathering or transmitting national defense information, disclosing of classified information, treason, or intentionally disclosing the identity of undercover intelligence agents;
13. offenses involving fraud in which the loss to the victim exceeds $200,000, or tax evasion in which the revenue loss to the government exceeds $200,000;
14. an offense relating to alien smuggling for commercial advantage;
15. an offense under 18 U.S.C. § 1546(a) which constitutes trafficking in fraudulent documents for which the term of imprisonment imposed is at least 5 years;
16. an offense relating to failure to appear by a defendant for service of sentence if the underlying offense is punishable by imprisonment for a term of 15 years or more; and
17. any attempt or conspiracy to commit one of the above offenses.
http://www.usdoj.gov/usao/eousa/foia_reading_room/usam/title9/crm01934.htm