Why did the detective go to the apartment complex? So he could solve the staircase.
The Search Bar.
He was looking for Finger Prince. (Say it out loud if you don't get it.)
He had an apartment complex.
Stephen Hawking in a house fire.
Steven Hawking after a house fire.
Click. "Did I get it " Stevie Wonder solving a Rubik's Cube.
Pillow cases