"The door was locked from the inside, there's no trace of a weapon and no sign of a struggle. I don't know, bob, it just doesn't add up."
"Department of mathematics"
Maybe if you gave your undivided attention to the clue on the whiteboard…
That’s a bad sine.
Life and death – the great divide
No wonder he can’t figure it out. He has ADD and keeps going off on a tangent.