Local resident Keith Amato has lost his case claiming his rights were violated when the Cape and Islands District Attorney’s Office retained his DNA profile beyond the murder trial of Christa Worthington, who was killed at her home in Truro in 2002.

Local resident Keith Amato has lost his case claiming his rights were violated when the Cape and Islands District Attorney’s Office retained his DNA profile beyond the murder trial of Christa Worthington, who was killed at her home in Truro in 2002.

Amato was one of dozens of men who submitted DNA samples to District Attorney Michael O’Keefe’s office in the course of the investigation. Christopher McCowen was convicted of the rape and murder of Worthington in 2006. After the trial, Amato demanded that his DNA sample be returned to him, which it was in 2008 although the profile information was retained by O’Keefe’s office.

Massachusetts Superior Judge Nancy Staffler Holtz ruled that state law requires DNA and other case information to be retained for a minimum of 15 years, or six years after all appeals are exhausted. McCowen’s appeal of his conviction is still pending.

Pru Sowers can be reached at psowers@provincetownbanner.com