He had testified at trial that he was a college professor in the process of getting his PhD .
It was later discovered that one of the key prosecution witnesses , a blood spatter analyst whose findings had triggered the arrest , had falsified his credentials .
one had testified at trial that one was a one   in the process of getting one 's PhD .
It was later discovered that one of the key prosecution witnesses , a blood spatter analyst whose findings had triggered the arrest , had falsified his credentials .