There are five people with a pretty clear motive, all of whom had the opportunity.

But what seems like a clear motive for Thomas - former pal left behind - may not be.

In fact, there seemed to be no clear motive.

The police have established no clear motive in the killings.

I was a man with a clear motive, after all.

I went to Vietnam in early 1968 and nobody shot me, despite clear motive.

Not just those with a clear motive, but anyone who might have had the right contacts.

In an age when information is power, there are clear motives for archiving.

What we still lack is a clear motive and hard facts.

Police have not yet determined a clear motive or found a solid suspect.