Like Park Sang Hack, it's not enough to give up his 15 year campaign.

So even if they put us in jail or fine, US 30 million won will keep sending leaflets to North Korea to tell the truth because North Koreans have the right to know.

For decades, activists and defectors like Park have sent anti North Korean leaflets over the tightly guarded border using balloons or bottles.

They also send food, medicine, money.

Many radios on did USB sticks with South Korean news on dramas.

The South Korean parliament voted on Monday to bar any scattering of printed materials or items of value across the frontier.

Park and some other 20 rights groups in South Korea have vowed to challenge the law's constitutionality, while Human Rights Watch called the ban a misguided strategy by South Korea to win the North's favor.