(Oklahoma City-AP) -- An Oklahoma City police chemist who's accused of misidentifying evidence was found in 1987 to have violated ethical standards. The Southwestern Association of Forensic ...

OKLAHOMA CITY — Disgraced former Oklahoma City police chemist Joyce Gilchrist has died in Texas. Gilchrist had been testing forensic evidence for the Oklahoma City Police Department for more ...

Robert Siegel talks with Kym Coch, public information director for the Oklahoma State Bureau of Investigation. She talks about the investigation of the forensic work done by police chemist Joyce ...

The forensic chemist, Joyce Gilchrist, was repeatedly criticized over the years by judges, defense lawyers and others for allegedly exaggerating her scientific findings in court. But only recently ...

OKLAHOMA CITY (AP) _ An independent special prosecutor should be appointed to investigate embattled Oklahoma City police chemist Joyce Gilchrist, the Oklahoma Criminal Defense Lawyers Association ...

In 1983, Plaintiff David Bryson was convicted of a rape and kidnapping he did not commit. At his trial, a forensic chemist employed by the Oklahoma City Police Department, Joyce Gilchrist ...

FOR THE LATEST exhibit of the fallibility of the judicial system, we turn to Joyce Gilchrist, a chemist with the Oklahoma City Police Department who has worked on more than 3,000 cases. Oklahoma ...

OKLAHOMA CITY -- An embattled police chemist was fired Tuesday for allegedly performing shoddy work and giving false or misleading testimony in criminal cases, including some in which she helped ...

OKLAHOMA CITY -- An embattled police chemist was fired Tuesday for allegedly performing shoddy work and giving false or misleading testimony in criminal cases, including some in which she helped ...

<br> (Denver-AP) -- A federal appeals court is refusing to stop a lawsuit against fired Oklahoma City police chemist Joyce Gilchrist and retired prosecutor Bob Macy. <br><br>Jeffrey Todd Pierce is ...

OKLAHOMA CITY (AP) _ An embattled police chemist under investigation for performing shoddy work and giving false or misleading testimony in some criminal cases was fired Tuesday. Joyce Gilchrist ...