When Borden is in prison, why would Angier still be trying to get Borden's method after having reproduced the trick with the Tesla machine? He's been
duplicating himself successfully for months - why does he still want Borden's
secret?

He had fished in the river since ten years and he was a good fisherman. he know where to found the slim sliver chilwa fish, a big beautiful mahseer and the long moustache singhara. he know where the river was deep but where it is shallow; he knew which baits to use - which fish like worms and which liked gram. edit the above