Former Knox County Criminal Court Judge Richard Baumgartner is now under federal probe, officials confirmed Friday. The Tennessee Bureau of Investigation, which spearheaded an investigation of the disgraced judge for violations of state law, is continuing its probe. This time, however, agents are working at the direction of federal prosecutors, spokeswoman Kristin Helm said. "The case remains open and ongoing, and TBI agents are continuing to investigate Baumgartner," Helm said in an email. "Specifically, we are looking at possible federal violations with the U.S. Attorney's Office." David Jennings, a supervisor with the Knoxville U.S. Attorney's Office, said he could "neither...