A recent Pittsburgh Tribune-Review article published states that advances in arson investigation could now make past evidence outdated, and because of this, several convictions in Pennsylvania are now being challenged. Currently, questionable arson convictions are also under review in other states including Texas, Massachusetts, and here in Arizona. From the article:
Donald Brucker, Allegheny County chief deputy fire marshal, acknowledges that some conclusions he reached while investigating fires a decade ago probably couldn’t be substantiated today.
“Without a doubt, there’s a lot of things that have changed,” said Brucker, who’s investigated fires for 20 years, including the last 13 years for the county.
Read the full article here.