Gabby and Tina find the taxi driver that drove a suspect to Mr. Brinkers. They determine that the man in a suit couldn't have done it after learning he caught a flight the same time that the fire started.

Lieutanant McQuade explains the act of arson and their list of clues during his interview with Gabby and Tina.

Gabby and Tina create a casebook with a list of suspects and evidence to deduce the real arsonist.

The Ghostwriter team creates a casebook to figure out who is behind the smear flyers against Alex.

Gabby and Tina discuss setting the scene for the video by choosing descirptive words and facts from the case.