The jury was told Stein sent a series of text messages to his mother on the night of January 13, including that he was “waiting for someone to come home” and was “camped in car, watching”.

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His mother, the court heard, said: “I think Kallista has done all this and everything else at the property, lots of things not adding up.”

Stein responded that it was “possible”, and “I don’t know what to think at this point”.

The court heard Stein’s mother asked: “Was her reaction as distraught as yours?” and “How do you know that you are at the right house?”

Annemie Stein told her son any mother “would be inconsolable” and claimed Kallista Mutten “knows where Charlise is and who took her”.

“I’m beside myself, and she has no connection to me,” Annemie Stein said. “What the f--- is going on here?”

The court heard Justin Stein replied: “I don’t know yet, but I’m going to get to the bottom of it.”

The officer-in-charge said mobile data placed Stein, as he sent the series of messages, around Taplin Park boat ramp in Sydney’s inner west.

Crown prosecutor Ken McKay, SC, asked Gardiner: “At this time, from your inquiries, he has the deceased’s body in a barrel on his utility?”

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“Correct, whilst at Taplin Park,” the officer replied.

Whilst allegedly at the same location, Stein received messages from Kallista Mutten saying “Get our daughter” and asking, “Did you see her?”

Stein is alleged to have bought 100 kilograms of sand and filled a boat with fuel before driving to wharves across Sydney with Charlise’s body in the back of his red Colorado utility.

The defence argues Stein saw Kallista Mutten shoot her daughter, and he had told various stories to protect her.