S9E1: And Then There Were Fewer
I slipped in with the rest of the group,
when they all converged on the scene.
I needed more time to finish my work framing Tom.
But that's when Derek went out to the balcony.
I couldn't let him contact the police before everything was in the place.
So I had to kill him, too.
When Peter was yelling at everyone about that picture of Derek holding up the Hollywood sign,