And the defense has the tape in which Walther not only takes responsibility, but also gives a credible explanation of who did the shooting.

I'd planned to do a quick search of the kitchen and bathroom, but I couldn't come up with a credible explanation.

So illegal discrimination could be presumed from an employer's failure to offer a credible explanation.

The agency said it "does not believe this is a credible explanation."

"It is the desperate act of two men who have no credible explanation for what they did," she said.

The first two of these little surprises, just possibly, have credible explanations.

An amnesia case; that was always a credible explanation.

He also said he was asked to resign "without credible explanation."

However, we must accept as credible the explanation given by the Commission, which I certainly do.

There is not currently any credible explanation for the origin of the term.