The only inference that the jury must have drawn from the threatening texts and messages to the deceased was that Maureen and Kelly were part of the joint enterprise
, that force would be used and weapons, knives or similar, deployed.
The MP warned: "There is a wealth of evidence that suggests that joint enterprise
has both convicted people in error and wholly disproportionately affected those who identify as black, Asian and minority ethnic.
That's the view of his sister Ashleigh, who has campaigned for more than a decade to change the law around joint enterprise
- which saw then-16-year-old Jordan jailed for the killing of young dad Kevin Johnson in Sunderland.
It's a result of a controversial rule known officially as "parasitical accessory liability", and commonly known as joint enterprise
secured a position on the Joint Program Executive Office for Chemical and Biological Defense Joint Enterprise
Research Development Acquisition and Procurement Omnibus contract.
Speaking in the Commons, Ms Powell raised the case of a man first arrested back in May 2016 under a very large joint enterprise
case, but was acquitted in August this year.
There were shouts of "no justice, no peace" over the failed appeals, focusing on the law of joint enterprise
The legal challenges follow a Supreme Court decision in February that the application of the law on joint enterprise
, otherwise known as common enterprise, had taken "a wrong turn" and been misinterpreted for 30 years.
Britain's highest court declared the joint enterprise
law - under which a suspect can be found guilty of murder simply by being part of the attack - has been wrongly used in courts since 1984.
But following a trial at Teesside Crown Court in August 2007, he was found guilty after the prosecution said he was the team leader in a joint enterprise
The appeals were considered together because both hinged on the joint enterprise
The Unlawfulness of the Joint Enterprise