A third person is now in custody in connection with the staged death of a Broken Arrow man.
Angela Moore, 47, was arrested on a material witness warrant on Thursday afternoon.
Detectives say her mother, Judith Nix, shot and killed her ex-husband Kenneth Nix in his home.
Investigators say Judith Nix called her two adult daughters and staged the scene to look like a suicide.
Moore and the other daughter of Nix, Michel Davis-Pearson, are all in the Tulsa County jail.
3/23/2016 Related Story: Police Release 911 Calls Of BA Woman Accused Of Staging Murder As Suicide