[2][3] Prior to his party switch, he was the only Democratic state attorney general to challenge the constitutionality of the Affordable Care Act (ACA).
[4] Caldwell was reelected in the 2011 Attorney General election without opposition after his sole opponent, former U.S. Representative Joseph Cao, dropped out of the race.
[4] Caldwell lost his 2015 reelection bid to Republican Jeff Landry.
[6] In 2008, the murder conviction of Angola inmate Albert Woodfox was overturned by a federal judge.
Woodfox speculated that Caldwell may have been using the appeal in order to gain public attention for himself as the recently appointed Attorney General of Louisiana[7].When questioned in an interview by NPR's Laura Sullivan about a bloody fingerprint found at the scene of the crime that was proven not to belong to Woodfox, Caldwell replied, "A fingerprint can come from anywhere."