But members of radical groups were not the only ones being watched.

"Must have been a hit team from one of those radical environmental groups," John said as we drove away.

Inside the residence of the radical group, it was a different story.

But especially because they believe the boy was taken by a radical group.

"It looks like we may have some kind of radical group."

The idea was to create an umbrella organization for all radical groups.

"Do they know which of the radical groups is responsible for this?"

A few radical groups have pledged to break through the police lines.

The student movement has not been free from the influence of radical groups.

And she had a history of involvement with radical groups.