There are lies, damn lies and statistics.
The Washington Post reports that the FBI has notified local crime labs that it has discovered errors in data used by forensic scientists in thousands of cases to calculate the chances that DNA found at a crime scene matches a particular person.
The FBI is downplaying the significance of the problem, but a scientist who identified errors 10 years ago in the DNA profiles the FBI analyzed to generate the population statistics data called the consequences of the disclosure appalling and said they could have led to wrongful convictions. You can read the story here.
Wrongful Convictions Blog 
It seems the FBI just can’t get it right these days.