7. An analyst claims that a small red spot found below scratch marks on the farm's kitchen wall, made by silencer fitted to the murder weapon, was not red paint, as originally thought, but matched Sheila's toenail varnish. Further analysis revealed a "missing" area of varnish on her big toe.
That's a new one. How an earth would Sheila's toe nail varnish get onto the silencer ?
Surely pre trial, an independent expert would confirm the paint on the silencer matched the kitchen paint. It would not be hard to do.