Sentence:  Other witnesses , after appearances before the jury , which reportedly is probing into possible income tax violations , <WSD>disclosed</WSD> that government prosecutors were attempting to connect Stein and his company with a number of gangsters , including Glimco and Alex . 
Meaning of the word marked with <WSD> tags:  make known to the public information that was previously known only to a few people or that was meant to be kept a secret