The prosecution's main evidence in the trial was tape-recorded conversations.

The main item on the agenda the following Monday was a listening comprehension exercise based around a tape-recorded 'authentic' conversation.

Unbeknownst to the bar manager the employee reportedly tape-recorded the conversation.

He was found guilty, largely on the basis of secretly tape-recorded conversations about the murders.

While working undercover, the agents had secretly tape-recorded conversations with those people.

He was described, in tape-recorded conversations with other participants, as trustworthy and well known.

The tape-recorded conversation of executives at Texaco and other similar cases provide pretty strong evidence that discrimination in the workplace has hardly been wiped out.

He added that Kramer and other drivers are also heard on the tape-recorded conversation.

With the cooperation of the traders, the Government has obtained tape-recorded conversations that people involved in the case described as "incriminating."

Here are edited excerpts from the tape-recorded conversation.