This post was updated on Dec. 1, 2014, at 4:52 p.m.
President Obama is set to announce executive action tonight, granting temporary relief to some of the nearly 12 million immigrants who are living in the United States illegally. Here's what we know so far:
1. What kind of relief is the president offering?
Obama's move lifts the threat of deportation — at least temporarily. But it does not provide the full path to citizenship as envisioned under a comprehensive immigration bill.