If you realize things disappearing or strange object appearing without reason then it is wise to consider something might be wrong.
- Disappearance of over the counter medicines.
- Cigarettes or Alcohol missing.
- Missing money and other valuables (yours or theirs)
- Unusual smells (burned or tar smelling).
- Drug paraphernalia like seeds, tin foil, lighters, home made bongs or pipes, small backs containing powdery residues, spoons, needles.
- Hidden stashes of alcohol or drugs.