Sergeant White described missing-persons cases as "the ultimate mystery of detective work, where each one is different."

"How many missing-persons cases have you really had in his area over, say, the past twenty-five years?"

"This has been a very unusual way to handle a missing-persons case," she said, swinging around to stare at the poster on the side wall.

When it was just a missing-persons case, and not a murder, the police sought help by distributing pictures of the two women.

She'd said that it might prove useful in a missing-persons case.

I told her I was working a missing-persons case, and let it go at that.

Her mother writes detective stories that revolve around missing-persons cases.

It may be a missing-persons case, but it's being handled as a criminal investigation.

The man offers Harry a large fee and a fat expense account to take on a missing-persons case.

Mr. Weaver has not been named as a suspect in any other missing-persons cases.