[update] According to reports this may be Christian Militia and this may be Tea Party related. Below the fold...
Here is a video report from ABC's Action News in Detroit:
At this point in time it is unclear how and IF the raids are connected to Militia activity:
The FBI, the Department of Homeland Security and the Joint Terrorism Task Force are all involved in raids around Adrian that may be connected to a militia group.
The FBI conducted multiple raids throughout Saturday and into Sunday, with one of them centered on a property where known members of a militia live.
Members of a number of militia groups say that the raids are connected to raids in Indiana and Ohio. However, the FBI has not confirmed that.
Must be something big for a small army of FBI, Homeland Security and the JTTF agents to be moving on them but according to an MSNBC report the raids are not terror related: