Here is an interesting article discussing the efforts of a Texas criminal defense attorney to discover the prosecutor's list of "bad jurors." Generally speaking, juror information is not discoverable material. Most jurisdictions claim that such information does not have to be turned over because it is attorney work product. A few states, however, have permitted defense counsel to gain access to juror information collected by the prosecution, especially when such information is not publicly available.
Some Tarrant County prosecutors keep a secret list of people they don't want on a jury for undisclosed reasons, and a Fort Worth criminal defense attorney wants the public to have access to the list...to continue reading go here.