Justice and science: trials and triumphs of DNA evidence

The scientist becomes a victim

A new prosecutor

The transition to DNA evidence

The fight for acceptance

A stranger rapist and a murderer : early success with DNA evidence

A double-edged sword : DNA for and against the prosecution

A child and a critical nightshirt

DNA and a football hero collide

Back home in San Diego : an unusual rape case

When a match is not a match

Exonerations, databases and STRs

A national approach

The District Attorney's office searches for innocence

DNA takes to television

The tragic case of a small child

A cold hit DNA match solves an old crime

Helena Greenwood revisited.