article_snippet.sent: The breakthrough may eradicate a stumbling block which has often meant it was impossible to tell which of the pair was guilty of a crime.
article_snippet.sent: But in some cases it has even led to prosecutions being dropped, rather than run the risk of convicting the wrong twin.
article_snippet.sent: But in some cases it has even led to prosecutions being dropped, rather than run the risk of convicting the wrong twin.