By Tanya Eiserer
The Dallas Morning News
The Dallas County district attorney's office may have to throw out dozens of cases after learning that a police sergeant officially branded a liar 15 years ago continued to testify in criminal courts.
A letter released Wednesday by the district attorney's office to Dallas Police Chief David Kunkle says Sgt. Randy Sundquist shouldn't be trusted to testify in court. The unusual move comes after the office discovered a similar notice had been issued in 1994, but was largely ignored.
Texas officer's testimony may doom dozens of cases