The death of Priscilla Limon, 38, had been ruled a homicide.
Arrested were George Edward Harry Frosch, 45, and Blake Andrew Britner, 32. Each is charged with first degree felony aggravated kidnapping.
Both are held at the Taylor County Jail.
Wanted are Roger Scotty Wilson, 50, and Ashley Alaniz, 34.
Other charges in this ongoing case are possible.