This is quite a surprising news report if true:
Dissident Activity Reported in N. Korea

SEOUL, South Korea - A human rights group claimed Tuesday that it has obtained video footage showing dissident activities in North Korea (news - web sites), with demands for freedom and democracy written over a poster of North Korea's leader, Kim Jong Il.

This is no minor, risk-free undertaking. The article from YaHoo News can be read here.

The Telegraph has more on this.
First signs of protest in world's top secret state

The first known visual evidence of dissent within the world's most secretive state emerged yesterday when video footage taken in a North Korean factory showed a portrait of the dictator, Kim Jong-il, defaced with graffiti demanding freedom and democracy.

That article can be read here. This would be almost too good to be true.