Shoo Lee has explained the baby’s results. He’s significantly more qualified than you or me to comment.
And the video you’re commenting on literally describes blood being withdrawn from the liver by Brearey.
Yes they are very qualified experienced doctors which makes the fact that what they are saying doesn't make sense so baffling.
Baby F was hypoglycemia despite being given double the amount of dextrose he needed. The C peptide which is always lower then the insulin was undetectable because it was so low so therefore the insulin should have been very low. If the baby had no insulin in his blood what was he doing with all the extra sugar he had been given it has to go somewhere!
The pathologist explained using photographs to the jury, that there was no bleeding from the puncture mark to the liver because it occured after he died, when the liver was removed at the post mortem.