He was suspicious of John, the nephew, of course. Upon being asked where
he was at the time of the robbery, he stated he was ‘hauling in a
muskie.’
Unless he had guilty knowledge, he could not possibly have known at what
time the robbery was committed.
He fell neatly into the Professor’s trap, don’t you think?
Let guilty men remember, their black deeds
Do lean on crutches made of slender reeds.
John Webster.