or someone within the Hmong community was:

An agent provocateur (plural: agents provocateurs, French language, "inciting agent") is a person who secretly disrupts a group's activities from within the group. Agents provocateurs typically represent the interests of another group, or are agents directly assigned to provoke unrest, violence, debate, or argument by or within a group while acting as a member of the group.

http://en.wikipedia.org/wiki/Agent_provocateur