The Question and Answer section for Rebecca is a great resource to ask questions, find answers, and discuss the novel.
Maxim doesn't want Jack at Manderley because he's questioning the result of the inquisition into Rebecca's death.
'Look here, Colonel Julyan,' he said, 'there's no sense in beating about the bush. The reason why I'm here is that I'm not...
I see no evidence of Maxim hiding Rebecca's body in the seventh chapter.