'How can you possibly tell?'

'By an inspection of the trains, and by reckoning the time. The local
police had to be called in, they had to communicate with Scotland Yard,
Hopkins had to go out, and he in turn had to send for me. All that makes
a fair night's work. Well, here we are at Chislehurst Station, and we
shall soon set our doubts at rest.'

A drive of a couple of miles through narrow country lanes brought us
to a park gate, which was opened for us by an old lodge-keeper, whose
haggard face bore the reflection of some great disaster. The avenue ran
through a noble park, between lines of ancient elms, and ended in a
low, widespread house, pillared in front after the fashion of Palladio.
The central part was evidently of a great age and shrouded in ivy, but
the large windows showed that modern changes had been carried out, and
one wing of the house appeared to be entirely new. The youthful figure
and alert, eager face of Inspector Stanley Hopkins confronted us in the
open doorway.

'I'm very glad you have come, Mr. Holmes. And you, too, Dr. Watson. But,
indeed, if I had my time over again, I should not have troubled you, for
since the lady has come to herself, she has given so clear an account of
the affair that there is not much left for us to do. You remember that
Lewisham gang of burglars?'

'What, the three Randalls?'

'Exactly; the father and two sons. It's their work. I have not a doubt
of it. They did a job at Sydenham a fortnight ago and were seen and
described. Rather cool to do another so soon and so near, but it is