An activist is a terrorist, at least according to Senior Police Officer Justin Berry of the Austin Police Dept. While the terms aren't mutually exclusive, a person can be one without being the other. In Berry's mind, they're both, and he feeds off the FBI's paranoia to reach his conclusion.
It basically says that Berry has come across some information on a "national domestic extremism trend" that is echoed by local activist groups. He claims to have found "mirror warning signs" in "FBI intel." From there, his own report follows, naming such unlikely domestic extremists as CopBlock, CopWatch and Peaceful Streets. Also included are sovereign citizens groups and government accountability activists.
You can read the entire article including the ***Confidential Law Enforcement Only*** report over at TechDirt.com .