The sloppy lab work recently uncovered at the medical examiner’s office is worse than first believed, with an internal review finding additional DNA samples were contaminated and that expired bleach ...

Australian officials did report missing virus samples in 2024, but a later investigation found incomplete lab records were likely to blame.

A U.S. Geological Survey analyst at a premier science lab told investigators that tight deadline pressures and short staffing drove the faking of several thousand test results, records obtained by E&E ...