Some companies, and leaderless groups of men, moved toward the action; others retreated.

Occupy Boston hosted the rally for the accused terrorist, but, officially, the leaderless group doesn't have a position on the case.

In hindsight, several officials said they had miscalculated in thinking that the leaderless group would quickly collapse.

"Contacts with Anonymous" Anonymous is a leaderless group of script kiddies, a few black hats and a bunch of other demographics.

Researchers found that people who score high in narcissism tend to take control of leaderless groups.

Some groups are led by fellow survivors (also known as peer-led or "leaderless" groups), some by experienced counselors, and still others by trained psychotherapists.

To the first no firm answer can be given until the "leaderless" groups have more - perhaps decades more - experience building a confident, coherent, immersed-sounding and expressive style.

The T-group approach is based on unstructured, leaderless groups whose 'task' is to study their own behaviour and provide feedback to individual group members.

Burl's people herded together in a leaderless group, coming to the same hiding place to share the finds of the lucky and gather comfort in numbers.

They meet in leaderless groups, pooling their resources of experience and insight, and reading relevant literature to deepen those assets.