They determine the body found was actually an ex-FBI agent , tracking Russ to kill him -- hence explaining the warning from Brennan 's father .
Soon after , a priest contacts Brennan telling her that her father insists she and Booth drop their case .
They determine the body found was actually an ex-FBI agent , tracking Russ to kill Brennan -- hence explaining the warning from Brennan 's father .
Soon after , a priest contacts Brennan telling her that her father insists she and Booth drop their case .