About This Investigation:
Reasonable Doubt
Posted September 4th, 2007 by Jonathan Vanian
 |  A CIR and CNN investigation into how profound flaws in forensic science have sent countless people to prison based on faulty evidence. |
 |  This investigation examines the flawed science behind the FBI's use of bullet chemical analysis in criminal trials. Associate reporter Robin Mejia and Los Angeles Times reporter Charles Piller look at whether inmates challenging the validity of incriminating forensic science have a case. |