She also left a box of nine tampons, and an empty tampon holder, in the living room, as a marker. The pathologist who carried out Sheila's autopsy confirmed that she was in the early stages of her monthly period. She had a tampon vaginally inserted, confirming that Sheila had been downstairs at the time she was caught short. We also know that Sheila did not go to bed that last night because her bed had not been slept in. So, she must have been up and about all night long...