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Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

The work of officers of the Canada Border Services Agency as its staff enforce customs, quarantine, immigration and finance laws. Whether intercepting suspicious characters, identifying toys packed with drugs or finding weapons disguised as mobile phones, this documentary presents a revealing look at daily life on the front line of national security

The work of officers of the Canada Border Services Agency as its staff enforce customs, quarantine, immigration and finance laws. Whether intercepting suspicious characters, identifying toys packed with drugs or finding weapons disguised as mobile phones, this documentary presents a revealing look at daily life on the front line of national security

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Another edition of the fly-on-the-wall documentary accessing the world of national security at Australia's biggest airports, following customs and immigration officers as they go about their daily business of tackling drug runners, illegal immigrants and terrorists

Part one of two. Samantha has a vivid dream in which she sees through the eyes of the Tok'ra, a group of Goa'uld rebels, prompting her to join O'Neill's mission to locate them. The group turns out to be heavily armed and highly suspicious - and while Samantha's 'inside' knowledge helps smooth things over, the trust is fragile and the outcome of the negotiations remains uncertain