CIA getting around Congress budget restrictions

[synthesis]

Does anyone have any web or print resources that contain information about ways that the CIA gets around their budget restrictions, e.g. involvement in the drug trade, arms trade, etc.?

[cormacobear]

Killing hope : U.S. military and CIA interventions since World War II [New ed.]
Blum, William.

Presidents' secret wars : CIA and Pentagon covert operations from World War II through the Persian Gulf Rev. and expanded ed.
Prados, John.

Veil : the secret wars of the CIA, 1981-1987
Woodward, Bob.

The CIA a Forgotten History William Blum ( This is an Excellent resource)

The Lawless State: The Crimes of the U.S, Intelligence Agency
Morton H. Halperin, Jerry J. Berman Robert L. Borosage, Christine M. Marwick

CIA and the Third World
Satish Kumar

Hope this helps I've used most of these books myself for Papers in the past. Good Luck.

[synthesis]

Thanks!