The cheap kits were often the sole evidence used to win guilty pleas, against the innocent as well the as guilty.
A recent study on the reliability of hair analysis is only latest to shake public confidence.
A lawsuit in the 1990s had Alabama poised to fund poor black school districts as fairly as wealthy white schools. As state attorney general, Sessions fought the effort passionately.
A commission established by lawmakers to help end the conviction of the innocent says field tests are too unreliable to be trusted without lab confirmation.
Request to defense attorneys suggests concern about integrity of guilty pleas won via $2 police tests known to be prone to error.
Drug test manufacturer repackages old, error-prone chemical formula as cutting-edge product
No guilty plea for drug possession will stand in Multnomah County unless the preliminary police field tests used to make arrests are confirmed in a lab.
A series of embarrassments suggests Hillsborough County Sheriff’s Office could use some instruction on using and interpreting field tests that have resulted in thousands of drug arrests in recent years.
Local defense bar explores options after ProPublica investigation showed that police and prosecutors continue to use flawed drug tests in sending thousands to jail.
Years after the Las Vegas crime lab wanted to replace faulty police drug kits, they are still used in thousands of convictions.
For years, police and prosecutors have used special presentations to sell judges on the reliability of drug tests that help convict thousands.
Decades after L.J. Scott developed a test for cocaine, his invention played a role in hundreds of wrongful convictions in Houston.
Tens of thousands of people every year are sent to jail based on the results of a $2 roadside drug test. Widespread evidence shows that these tests routinely produce false positives. Why are police departments and prosecutors still using them?
Houston cases shed light on a disturbing possibility: that wrongful convictions are most often not isolated acts of misconduct by the authorities but systemic breakdowns — among judges and prosecutors, defense lawyers and crime labs.
The NFL’s Hall of Fame rules allow a serial rapist to be considered. Should that change?
We respond to arguments levied against our analysis of justified homicides by police officers.
A ProPublica analysis of killings by police shows outsize risk for young black males.
Immigration case leads to likely exile of Chinese immigrant who had role in embarrassing episode in Phoenix.
An un-vetted computer engineer plugged into law enforcement networks and a database of 5 million Arizona drivers in a possible breach that was kept secret for years.