The fliers aim to "inform North Koreans about the truth of the Korean War," according to the leader of a defector group.
A child defecting from North Korea to meet her parents, who had already escaped Kim Jong Un's regime, was equipped with a GPS tracking device.
The names, birth dates and addresses of nearly 1,000 people were leaked.
Powerful men "considered us [sex] toys," one woman said.
"I had no choice but to do what they told me to."
"It's not going to be like toppling Hussein," the retired general said.
The scientist was reportedly detained in China along with other nine defectors and sent back to North Korea last month.
A North Korean defector was sent 100 Choco Pies and given free Choco Pies for life.
They also did not know cures for diseases existed.
Daily life in North Korea at times resembles a scripted TV set, Thae said.
More than 20 bodies have been found on the boats since October.