We have a very mean and short-tempered guy painting our apartment -- it's a several days job. Tonight, I found what appears to be paint or plaster in my shampoo bottle; I twisted off the cap of the shampoo to smell the inside, and it reeks of paint / plaster. The texture is also very thick and very warm (indicating that it's likely plaster) rather than the usual runny texture of the shampoo.
What can I do about this? Can I call the police on him when he arrives tomorrow morning?
Should I question him about the shampoo?
I have told this to our landlord, who told us to set the shampoo aside for him to inspect.