loner

The "loner" responsible was convicted of possessing terrorist manuals, but prosecutors said the motive was "not terrorism" and related to hatred and revenge.

Earlier this week Sir Keir said there was a "new threat" of "extreme violence carried out by loners, misfits, young men in their bedrooms".

But he was a bit of a loner and never became a creature of Hollywood.

A loner, he did not tell his family or friends.

They arrested a loner, Michael Anthony Cox — who was arrested and sentenced to death after a trial that provided no physical evidence and relied heavily on the testimonies of two teenage girls.