NEW ORLEANS -- The family of a father and son who were killed in their Metairie home last spring, may soon get justice.

Opening statements are scheduled to begin Wednesday (Oct. 12) in the murder trial of 18-year-old Dexter Allen who is accused of shooting and killing David Pence, 56, and his 25-year-old son Nicholas following a party at the family's home in April of 2015.

MORE: JPSO: Arrests in 'execution-style' murder of father, son

Then 17-year-old Allen and 18-year-old Haraquon Degruy were arrested for the execution-style murder of David who was shot to death while in his lounge chair and his son David was found on the floor just a few feet away, according to the Jefferson Parish Sheriff's Office.

David's wife Elizabeth, who was in a back bedroom at the time, found her husband and son gunned down in their living room shortly before midnight.

Elizabeth Pence (center) wife of David Pence (right) found her son Nicholas (left) and husband in their Metairie home after they had been shot. 

Authorities say Allen and Degruy went on a burglary spree on April 22, 2015, breaking into almost two dozen cars and ending up at the Pence house on Clifford Drive just before midnight.