Sentence:  Prison Hall in Central Hospital was claimed by some patients to be "organized" in the more extensive manner of prisons for the sane. Here, it was claimed, an attendant could be bribed to "<WSD>kite</WSD>" a letter or bring in contraband, [...] 
Meaning of the word marked with <WSD> tags:  To pass a (usually concealed) letter or oral message, especially illegally into, within, or out of a prison.