The family believe they were “lied to” by the Parole Board, which initially told them technical difficulties were to blame for delays to the hearing.
The Parole Board did not wish to comment when approached about this.
Mrs Ming, who appeared visibly angry when speaking to press outside the court, said: “We were there three hours and thought it was because of IT problems, but they issued a statement – not to my family, but to the press – saying it had to be adjourned.
“It’s absolutely disgraceful. I would like Caroline Corby, the head of the Parole Board to come and speak to us as a family.
“It’s a sheer disgrace what has happened today.”
Julie’s son Kevin, who was three when his mother was killed, described the impact of the adjournment on the family as “astronomical” and said they would continue their fight.
He added: “If this is how you are going to treat victims, you should be ashamed.”