Friends and family of Adam Whittington, the child recovery specialist locked up in a Lebanese jail, have rallied outside the Channel Nine studios in Sydney.

Key points: Adam Whittington has been in custody in Lebanon since early April

Adam Whittington has been in custody in Lebanon since early April Protestors outside Channel Nine demand to speak to management

Protestors outside Channel Nine demand to speak to management Channel Nine declined to meet with family and friends

The former Australian soldier was arrested with Brisbane mother Sally Faulkner and a 60 Minutes crew after a failed child abduction attempt in Beirut.

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Mr Whittington has been in custody in Lebanon since early April and his father David said it was unfair the TV crew had come home while his son still languished in jail.

"I feel as a father, he's just been spat out and left to rot," Mr Whittington said.

Mr Whittington that they were outside the Channel Nine studios because they wanted someone from management to talk to them.

"To come out and say, 'how can we help you, what is the problem?'," he said.

"Because they keep on denying any involvement with the recovery, but how can they keep denying it when the documentation is there?"

'Hear a father's plea to get his son home'

Mr Whittington said he recently received a letter from his son via his lawyer, describing the jail conditions.

"It's horrendous... the cell is just a concrete bunker underneath the court house, no natural light when you shut the door, the toilet is blocked up with you know what, it's a hole in the middle of the floor, and there's worms in the drinking water," he said.

"You get fed every second day, every third day ... but I'm worried about his mental condition, even with his army training.

"He seems to be — that's Adam, he'll cover up — he's chirpy, he says the rats are everywhere, the mattress smells like urine, I've got a pet rat now, it comes and visits me every night.

"I'd freak out, you know what I mean."

Susan Brown said Channel Nine had not made any contact with the family since they had extracted their crew members. ( ABC News: Lindy Kerin )

Susan Brown, a friend of Adam Whittington, said she wants Channel Nine to bring her friend back.

She said Channel Nine had not made any contact with the family since they had extracted their crew members.

"I've tried to get them to talk to us, to find out why Adam wasn't part of the team that was taken out, as part of the deal, they left our friend behind, stranded," Ms Brown said.

Ms Brown said she would like someone from Channel Nine to speak to Adam Whittington's father.

"Hear a father's plea to get his son home to his family," she said.

"They helped their own guys, they obviously have the money to do it.

"If they don't want to talk to us publicly, we're happy to talk to them privately and have a conversation about it privately."

Channel Nine declined to meet with the family and friends.

It is understood the station's review into the editorial approval of the Beirut story and the actions of the crew is still underway.

Several staff and nine news management have already been interviewed.