In American English "levi" is used to indicate a place near water. It's been used in a number of well-known songs.
eg "American Pie"
I've also seen it spelled "levy".
levee
/ˈlɛvi,ˈlɛveɪ/Submit
noun
an embankment built to prevent the overflow of a river.
a ridge of sediment deposited naturally alongside a river by overflowing water.
NORTH AMERICAN
a landing place; a quay.
A batcher means a factory-like place that makes something, like cement, concrete. Something that is made in batches.
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Lawson is suggesting that he took her somewhere remote. You would assume if it is not stated that she was found there. He is obviously trying to trick him into saying that he did take the girl/lady.