In 2006, McCollum ran for the office of Attorney General of the State of Florida, defeating State Senator Skip Campbell in the general election.

McCollum led a group of Attorneys General in filing a lawsuit challenging the constitutionality of Obamacare.
 He also filed a brief in support of  Arizona's immigration law.

McCollum opposed the federal Stimulus bill, as well as the $20 billion federal oil fund that limited his office's ability to pursue claims against BP, and requested additional authority from the federal government to address Medicaid fraud.

While Attorney General, McCollum defended Florida's ban of adoptions by homosexuals from a lawsuit, In re: Gill challenging the ban.
 McCollum hired Dr. George Rekers, a controversial clinical psychologist, to testify during the trial that heterosexual parents provide a better environment for children.
 The trial resulted in the overturning of the ban.
 When an appellate court upheld the lower court ruling, McCollum declined to appeal the case to the Supreme Court.

He was also the Florida Chairman for Rudy Giuliani presidential campaign in 2008.
In 2006, McCollum ran for the office of Attorney General of the State of Florida, defeating State Senator Skip Campbell in the general election.
McCollum led a group of Attorneys General in filing a lawsuit challenging the constitutionality of Obamacare.  He also filed a brief in support of  Arizona's immigration law.
McCollum opposed the federal Stimulus bill, as well as the $20 billion federal oil fund that limited his office's ability to pursue claims against BP, and requested additional authority from the federal government to address Medicaid fraud.
While Attorney General, McCollum defended Florida's ban of adoptions by homosexuals from a lawsuit, In re: Gill challenging the ban.  McCollum hired Dr. George Rekers, a controversial clinical psychologist, to testify during the trial that heterosexual parents provide a better environment for children.  The trial resulted in the overturning of the ban.  When an appellate court upheld the lower court ruling, McCollum declined to appeal the case to the Supreme Court.
He was also the Florida Chairman for Rudy Giuliani presidential campaign in 2008.
Bill McCollum