Trust, but verify.
True. I still would not trust NK, but while its takes some time to remove landmines, it takes almost no time to re-lay them. Those field could be re-mined very quickly if aggressive troop movements or other invasion indicators started appearing.
Verify before trusting.
Exactly! If Kim wants to show some true desire for peace openly start pulling those artillery pieces back from Seoul and the DMZ out of range by several days.