Acadia Sheriff's deputies have arrested the grandson and godson of the victims in the Richard slayings.
Detrick Guillory, 21, of Basile, has been booked with two counts of first-degree murder in connection with the May slayings of his grandfather, John Guillory, and his godmother, Lois Guillory.
Both were found dead at their home on Noah Daigle Road on May 18.
No bond has been set. Guillory is being held at the Acadia Parish Jail.