Authorities say the two were tied to an anchor and thrown into the ocean. DeLeon's wife has already been sentenced to prison for the killings.
In a prison interview with ABC's Jim Avila, DeLeon said he's struggled with his sexuality. Indicating that he may have wanted a surgery.
DeLeon, who was also convicted of another killing, says he feels sorry for the Hawks family.
Another man is on trial in connection with the murders.
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