Usually right before they vacate the office.
The US President cannot pardon someone convicted of crimes other than federal crimes, he cannot pardon someone who has been impeached (and tried, and convicted), and he cannot pardon himself. He also cannot pardon someone for crimes not yet committed. However, there is no requirement that someone actually be convicted, so a Presidential pardon can effectively block any prosecution.
Yes
The President has the power to pardon those who are convicted or even accused of federal crimes.
a pardon(like in a general pardon) or amnesty
The president has the power to give a pardon with the help of other officials. The president has the power to give a pardon with the help of other officials.
If you were charged and convicted under state statutes, then the governor of your state can "pardon" you. However, bank robbery can also be charged as a FEDERAL felony offense. If you were convicted in federal court then you can only be pardoned by the President of the US.
The president may use the pardon at any time for any federal prisoner. He can pardon anyone who has committed a crime against the United States, the only exception being that he can't pardon someone who has been impeached by Congress.
The power to pardon individuals for federal crimes (whether charged, prosecuted, or convicted, or not) belongs to the President of the United States.
The president can pardon any person subject to Federal Law, except those who have been impeached. The person does not yet have to have been convicted of a crime - the pardon can provide immunity from conviction for a specific act.Pardons must be for a specific act, and cannot be for a blanket time period or the like. Also, presidential pardons only affect Federal law - the president cannot pardon someone subject to a state law.
yes
No, such is not possible. If the president committed a crime, he would be impeached and convicted and lose his office. Then he would not be president anymore and could not pardon anybody. He could then be indicted and tried just like anyone else.
A citizen of the United States of American cannot pardon or free criminals convicted of crimes. That element of the law is left up to judges, prosecutors, and the state (governor) or Federal government (President of the United States).