Clemens expert says beer can evidence is ‘garbage’

WASHINGTON (AP) – The expert called to help exonerate Roger Clemens barely made it to the stand. Once he did, he lambasted prosecutors for relying on the so-called “beer can evidence” to support their case against the former All-Star pitcher accused of perjury.
“If you submit garbage to the laboratory, more than likely you’re going to get garbage on the end,” forensic toxicologist Bruce Goldberger said.