DNA is just another anthrax clue, not clincher:
Its use in distinguishing bacteria is limited. Some scientists want to know what else implicated Bruce ivins.
DNA evidence alone wasn’t a smoking gun in the case against Bruce Ivins as the perpetrator of the 2001 anthrax attacks, say microbiologists and other experts who have read details of the investigation released last week.
Genetic sleuthing was useful in narrowing the list of suspects, they say, but it wasn’t conclusive since DNA from bacteria doesn’t often carry a unique genetic fingerprint the way human DNA does…..