In case you hadn't already guessed it, the ring in the plastic evidence bag is the same ring the had gone missing from my grandfather's bedside.
"What is LaStraude doing with your grndfather's ring?" Watson proceeded to question me.
"How on earth should I know?!" I yelled. I must have come across as more angry the I thought, as the look of shock on Watson's face had now morphed into a look of slight fear.
"I'm sorry." I stated once I had realised the effect of my words.