Original sentence: The assailant was one of two members of the gang who was never identified but is thought to be Ronald "Buster" Edwards Frank Williams (at the time a Detective Inspector) claims to have traced the man, but he could not be charged because of lack of evidence
Edited sentence: Frank Williams (at the time a Detective Inspector) claims to have traced the man, but he could not be charged because of lack of evidence.The assailant was one of two members of the gang who was never identified but is thought to be Ronald "Buster" Edwards