The episode of "Explorer" on the National Geographic channel featuring a segment on the double homicide of Douglas "Troy" and LaDonna French will re-air tonight at 10 p.m.
The couple were shot and killed in their house in the Bethany community of Rockingham County on Feb. 4, 2012. Only their then-19-year-old daughter Whitley French Alvarez survived.
The "Explorer" episode looks at DNA which helped lead to the arrest of Whitley French Alvarez's brother-in-law, Jose Alvarez Jr.
Alvarez Jr. was convicted on July 8, 2016. He is serving two life sentences in Central Prison in Raleigh.
The episode can be viewed online here.