Chuck Cox says they have hired 2 private investigators to help conduct private searches for his daughter, Susan Cox Powell.
Chuck Cox says he was surprised to learn that Josh Powell's brother, Michael, may have disposed of Susan's body.
Chuck Cox: "My daughter is gone. She's not coming back."
She says federal investigation involves what Steven Powell knew and when about the disappearance of Susan Cox Powell.
BREAKING: Anne Bremner says they have learned there is an ongoing federal investigation into Susan Cox Powell case.