That Affair Next Door by Anna Katharine Green

A pause of decided duration now followed; an exasperating pause which tried even me, much as I pride myself upon my patience. There seemed to be some hitch in regard to the next witness. The Coroner sent Mr. Gryce into the neighboring room more than once, and finally, when the general uneasiness seemed on the point of expressing itself by a loud murmur, a gentleman stepped forth, whose appearance, instead of allaying the excitement, renewed it in quite an unprecedented and remarkable way.

I did not know the person thus introduced.