She also posed for photos with an AK-47, while dressed in black with her face veiled.
After her husband's death, it is thought she received a monthly salary from ISIS of £520, plus a bonus of more than £200 every couple of months for being the widow of a 'shahid' or martyr.
According to one activist she is yet to remarry because 'she is considered old and ISIS fighters prefer young girls.'The former lead guitarist - who spent a lifetime on state benefits while living in the UK - also ranted online about how she wanted to behead Christians with a 'blunt knife'.
The nine-minute horror show shows youngsters, including a blue eyed British boy believed to be Jo-Jo, shoot the men in the back of the head.
It was revealed earlier this month that Jones is desperate to come home after her husband Junaid Hussain was killed in a drone strike.
“The fact that harm caused by them is very rare should tell you something about how dangerous they really are,” the organisation says on its website, though it advises against trying to handle one of the critters.
To prevent the insects from making your home their own this winter, pest control company Rentokil recommends ensuring your home is not a haven for woodlice, millipedes or centipedes to avoid spiders following their prey indoors, as well as filling in gaps around pipework and entryways and vacuuming regularly to avoid a buildup of cobwebs around and outside the house.
However, her son Jo-Jo has committed himself to the terrorists' cause and is refusing to leave.
An unnamed friend told the Sun: 'Jo-Jo was just an ordinary kid when she took him away from his home in Kent.'She ruined all of that by fleeing with him.'Jo-Jo is believed to be the blue-eyed British boy filmed murdering a captured Kurdish fighter last year.
The spider is widespread along the south coast of England, but has become increasingly common as far north as Norfolk and south Wales, the BAS says.
The organisation has stressed that people should not be alarmed by the arrival of the false widow – and that while it is venomous, serious bite injuries are rare.
An ISIS video emerged of the mother-of-two leading members of the al-Khanssaa Brigade - the all-women army set up by ISIS - in a series of chants expressing the fighters' commitment to jihad.