It is often said the judge is like a second prosecutor. In this case, it appears to be so. I am guessing criminal charges won't be brought, but that conduct could well had been interfering with justice, or possibly some form of witness tampering.
http://www.rawstory.com/rs/2013/10/24/texas-judge-forced-to-resign-after-caught-texting-instructions-to-assistant-da-during-trial/\"
Elizabeth E. Coker may forever be known as the "texting judge," but her notoriety will soon be all that is left of her days on the bench of the 258th District Court of Polk, Trinity, and San Jacinto Counties. Coker signed an "AGREEMENT TO RESIGN FROM JUDICIAL OFFICE IN LIEU OF DISCIPLINARY ACTION" with the State Commission on Judicial Conduct…The agreement comes in the wake of a recent investigation revealing Coker texted instructions from the bench to a Polk County Assistant District Attorney who was assisting in the prosecution of a case in Coker's court.
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"[J]udge Coker used Assistant District Attorney Jones to privately communicate information about the Reeves case to the assistant district attorney prosecuting the case; to suggest questions for the prosecutor to ask during the trial; to ensure that a witness was able to refresh his memory and rehabilitate his testimony by reviewing his videotaped interview with law enforcement before he took the stand for the second time the following day; and to discuss legal issues pertinent to the case. in an unsuccessful effort to assist the State obtain a guilty verdict in the case…[t]he Commission investigated claims that Judge Coker allegedly engaged in other improper ex parte communications and meetings with Jones, other members of the Polk County District Attorney's Office, the San Jacinto County District Attorney, and certain defense attorneys regarding various Cases pending in her court; Judge Coker allegedly exhibited a bias in favor of certain attorneys and a prejudice against others in both her judicial rulings and her court appointments: and Judge Coker allegedly met with jurors in an inappropriate manner, outside the presence of counsel, while the jurors were deliberating in one or more criminal trials…
""t]he Commission also expressed concerns that Judge Coker discussed the Commission's investigation and Judge Coker's written responses to the investigation with a material witness prior to that witness' testimony before the Commission in an apparent attempt to influence that witness, and that the judge may not have been candid and truthful in her testimony before the Commission when questioned about her contact with the witness..."