Is the US already at war with Iran? In "America's Secret War", Vanguard correspondent Mariana van Zeller travels to the Iraq-Iran border to investigate claims...
California State Prison at Corcoran is a maximum security facility that houses some of the most violent inmates in the country. Laura Ling reports on...
In the season premiere of Vanguard, correspondent Mariana van Zeller travels to South Florida, the "Colombia of prescription drugs", to expose a bustling pill pipeline...
Contributor Janet Choi goes inside a California state prison to investigate contraband smuggled inside the cells, and how cellphones are the new security threat. Watch...
Vanguard producer Lauren Cerre zigzags from Los Angeles to New York on bus, stopping to talk to young Americans about national issues affecting them in...
Vanguard correspondent Christof Putzel travels to southern Italy to investigate how Europe's growing appetite for cocaine is funding the growth of West African crime syndicates...
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