“You are mad. What do you expect to find here?”
“Remembering that Richards saw a tin of bath salts, what do you say about beginning with the bath salts, eh Inspector?”
“A very sound idea, sir.”
He picked up one of the dainty pink tins, and emptied it on the table. The girl laughed.
“Genuine crystals, eh?” said Tommy. “Nothing more deadly than carbonate of soda?”
“Try the safe,” suggested Tuppence.
There was a small wall safe in the corner. The key was in the lock. Tommy swung it open and gave a shout of satisfaction. The back of the safe opened out into a big recess in the wall, and that recess was stacked with the same elegant tins of bath salts. Rows and rows of them. He took one out and prised up the lid. The top showed the same pink crystals, but underneath