As long as they were in busy streets he had no difficulty in keeping close to them.
When they came to a long street, where the houses were scattered, he fell a little further behind.
And at last they were in the open country, with no house at all in sight ahead.
Then the detective had to be very cautious.
He decided to get into a field alongside the road, where he could dodge behind bushes.
It was well he took this precaution when he did.
He had hardly left the road when both men wheeled about suddenly.
They stood for a full minute, looking back toward the city.
There could be no doubt that some sudden fear of pursuit had made them turn.
Patsy stooped behind a low bush and waited.