介绍:
Lestrade looked at Holmes. 'Any more questions?'
'Possibly,' said Holmes. 'But first I must go to Blackheath.'
'You mean Norwood,' said Lestrade.
'Perhaps,' replied Holmes with a stange smile. The Inspector didn't understand, but said nothing.
'Mr McFarlane?' said one of the other policemen, who was waiting at the door. 'Come with us, please.'
McFarlane stood up and the two policemen took him down the stairs and out into Baker Street. Lestrade stayed in the room with Holmes and Watson. Holmes looked at McFarlane's papers, which were still on the table.
'Interesting,' he said. 'Mr Oldacre's writing is very easy to read in some places, but very difficult to read in others. And here it's impossible. Can you read this, Watson?'
Watson agreed that it was impossible to read.
'And why is that?' asked Holmes.
'I've no idea,' Watson replied.
'Is this important, Mr Holmes?' asked Lestrade.
'Possibly,' said Holmes. 'Mr Oldacre wrote his will on a train. We can read everything that he wrote when the train was at a station, but it's impossible to read what he wrote when the train was moving. Mr Oldacre spent the journey writing his will, so his train was an express, which stopped only once between Norwood and London Bridge.'
'Very interesting, Mr Holmes,' said Lestrade, 'but I have a murderer to see. I must go. Goodbye, Mr Holmes, Dr Watson.'
'Goodbye, Inspector,' said Holmes with a smile.
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