Probably was convinced by her “fiance” who had a deal setup to sell her once they arrived.
Western women have been brainwashed for decades to drop trough at the sight of a savage, gangsta or playboy. Many bought it and pay for it daily.
Buy hey. Getting kidnapped by ISIS is WAY more exciting than the alternative: the boring “nice guy”
12 years in prison will probably be a much easier life for her than she would have experienced in Turkey and wherever.
Nope, SHE convinced HIM to go on this “adventure”. Sometimes the new converts are much more fervent than people born into a religion (or murderous death cult, in this case).