> In 1866, the Supreme Court ruled in Ex parte Garland that the pardon power "extends to every offence known to the law, and may be exercised at any time after

> In 1866, the Supreme Court ruled in Ex parte Garland that the pardon power "extends to every offence known to the law, and may be exercised at any time after its commission, either before legal proceedings are taken, or during their pendency, or after conviction and judgment." [1] 1. http://www.slate.com/articles/news_and_politics/explainer/2008/07/preemptive_presidential_pardons.html http://www.slate.com/articles/news_and_politics/explainer/20...