The man accused of killing Dr. Robert Chastant, a popular orthodontist, is expected to be arraigned next month.

An Iberia Parish grand jury indicted Ismael Viera on one count of second degree murder. Viera worked in the stables for Dr. Chastant. Chastant was found dead in those stables in December. Detectives beleive Viera got into an argument with Chastant and attacked him.