Lawyer argues for new trial in boy's murder

David Edenfield was sentenced to death for killing 6-year-old Christopher Barrios

Published On: Jan 30 2013 04:13:32 PM EST   Updated On: Jan 17 2013 12:55:11 PM EST
David Edenfield in courtroom
BRUNSWICK, Ga. -

The lawyer for David Edenfield went before the Georgia Supreme Court on Wednesday arguing for a new trial in the 2007 kidnapping, sexual assault and murder of 6-year-old Christopher Barrios (pictured, below).

Edenfield, the only person tried in the case, was convicted and sentenced to death.

Peggy Edenfield pleaded guilty and testified against her husband. She was sentenced to 60 years.Christopher Barrios

The couple's son, George Edenfield, was ruled not competent for prosecution.

A fourth suspect, Donnie Dale, pleaded guilty to lying to police about hiding the boy's body, and was remanded to a state psychiatric facility for five years.