As of 15 July 2008 he was the only suspect in the case.

Nobody has ever been arrested, and the only suspect cannot be tried due to lack of evidence.

Indeed, she seems to be the only possible suspect, apart from the surviving men in her life.

But again, he seems to be the only real suspect.

And one of them must be guilty, they are the only suspects.

After all, the muttering professor was the law's only suspect.

The police search for her concentrated on places their only suspect had been.

If all had worked as the killer wanted, Hudson would be the only suspect.

But she's the only suspect at the moment, isn't she?

Along the way, he finds that the only suspect is a dead man.