the Legal Landscape ; should the US and state Governments be required to examine DNA evidence in all closed capital offense crimes where the offender was convicted prior to the discovery of a process to examine DNA?

The Legal Landscape Write A TWO PARAGRAPH COMMENT after conducting research on only ONE OF THE THREE TOPICS listed below:In your opinion should the US and state Governments be required to examine DNA evidence in all closed capital offense crimes where the offender was convicted prior to the discovery of a process to examine DNA?