Sally Jones, 49, is considered to be a 'high priority' for assassination by US.
The mother-of-two from Kent converted to Islam before joining ISIS in 2013.
Her extremist husband was wiped out by an American drone in Raqqa in 2015.
A friend, called Aisha, told Sky News: 'She was crying and wants to get back to Britain but ISIS is preventing her because she is now a military wife.
'She told me she wish to go to her country.'
The failed punk rocker's extremist husband was a computer hacker from Birmingham. He was wiped out by an American drone strike in Raqqa in 2015.