Shamima Begum recently appeared from a camp in Syria pleading with Brits to forgive her as she was "completely sorry" to those affected by ISIS - but one body language expert claims she showed "no sign of apology".
The ISIS bride, who at the age of 15 fled her home in east London to join the so-called Islamic State group, said on Wednesday joining the terrorist organisation was a "mistake".
She said she would "rather die than go back to ISIS" as she denied allegations of her helping ISIS pursue their extremist cause.
Shamima, now 22, appealed to the British public to allow her to return to the UK, saying she is ready to stand trial in court.
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"I know it's very hard for the British people to try and forgive me because they have lived in fear of Isis and lost loved ones because of Isis, but I also have lived in fear of Isis and I also lost loved ones because of Isis, so I can sympathise with them in that way," Shamima said.
"I know it is very hard for them to forgive me but I say from the bottom of my heart that I am so sorry if I ever offended anyone by coming here, if I ever offended anyone by the things I said."
The teenager, who had her UK citizenship revoked by the Home Office on national security grounds, said she is "completely sorry to anyone who is affected by ISIS".
She added you "can't judge" a 15-year-old "for making a mistake" that she "very quickly regretted making".
But according to body language expert Judi James,"there are no signs of apologetic-looking body language" in the clip from ITV's Good Morning programme on Wednesday.
"This woman appears to have learnt from her mistakes during her previous TV interviews and although her words seem more well thought out she comes across as more confident and even composed as she delivers her pitch.
"She appears to have learnt that an apology can be more influential than shrugging denials but in this clip there are no signs of apologetic-looking body language to make her messages more congruent."
Shamima appeared dressed in western-styled clothing as she work a Nike baseball hat and a grey vest, along with pink lipstick.
She denied any allegations of her helping ISIS, while she tried to defend her actions saying: "At the time I did not know it (so-called Islamic State) was a death cult, I thought it was an Islamic community I was joining.
"I was being fed a lot of information on the internet by people."
She said she thought she was "groomed and taken advantage of and manipulated into" travelling to Syria.
Ms James said Shamima's "subtle" shrugging, however, indicates she may not be truly regretful.
"The shrugging might have diminished from the early days but it is still there in a more subtle gesture as she speaks about the behaviour of fifteen-year-olds, verbally generalizing to create a verbal and non-verbal diminishing of her behaviours, as though it’s the sort of thing any fifteen-year-old might do.
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"This is a distanced and rather generalized explanation rather than any visual display of regret.
"She also presents herself as a victim at the same level as other victims, and again her body language is maybe not congruent with that message as she appears emphatic and assertive, performing some very small head baton nods to let us know about her suffering.
"She also presents herself as a victim at the same level as other victims, and again her body language is maybe not congruent with that message as she appears emphatic and assertive, performing some very small head baton nods to let us know about her suffering."
