I believe DOMA was the first law he and Holder refused to enforce.
The first illegal act was denying secured bondholder their legal rights when Obama gave the unions control of GM...
http://online.wsj.com/news/articles/SB124338330278956585
There have been so many I have trouble keeping track.
Technically, SCOTUS and Judge Gonzales did that, but we know who was behind it. That was June 9, 2009.
Then two days later on June 11, 2009, Obama illegally fired IG Gerald Walpin.
Let’s not forget IG Gerald Walpin and the Americorp scandal.