The CNN documentary "Death in the Desert" showed the remarkable risks Africans were prepared to make to try to get to Israel.
A hazardous trip across Africa to Egypt where Bedouins would take them across the Sinai Desert but also hold them as bonded labor.
And if they couldn't pay, bodies have been found with organs missing and fresh scars - signs, experts say, of organ trafficking.
Now watch the documentary in full online in three parts.
CNN is joining the fight to end modern-day slavery by shining a spotlight on the horrors of modern-day slavery, amplifying the voices of the victims, highlighting success stories and helping unravel the complicated tangle of criminal enterprises trading in human life. WHY WE'RE DOING THIS | MORE ABOUT THE PROJECT