So far no one has come up with any info in JM's testimony that was corroborated and unknown to others.
That's because there is nothing in JMs testimony
The bible on her chest can be traced back to Ann Eaton hand written notes and RBs diary
Sheila's body on the bed can be traced back to Ann Eaton hand written notes and RBs diary
The Bicycle can be traced back to RBs diary
Using the Kitchen Windows can be traced back to RBs diary
Getting Shelia's fingerprints on the rifle and magazine can be traced back to RBs diary
The erroneous number of times Neville was shot can be traced back to the newspapers
The idea of Jeremy having assistance on the night can be traced back to RBs diary
The payment of £2000 can be traced back to RBs diary
The idea of Mathew Macdonald being a Hitman can be traced back to himself spreading rumors
RBs theory of Jeremy using a wetsuit can be found in Julies in diary.
All this does is corroborate the idea that Julie was a puppet and overwhelmingly so