David says the relatives used diluted period blood. Which was in a bucket of water.

Why diluted period blood and whose? Can't believe I am asking sensible questions about a ridiculous proposition.
I thought the support group said Robert Boutflour contaminated the silencer with his blood.
Crowns case against Bamber - backspatter from Sheila Caffell's wound
Bamber's support people - diluted period blood or;
Robert Boutflour dripping his blood inside
Honestly you could not make this stuff up!