Killer Instinct

Briggs calls Cassie to ask that she look into Bryce’s boyfriend, Conrad Mayler, who posted unauthorized footage of the crime scene. Cassie also gives him Clark and Geoffrey’s names. Though she quickly realizes that Mayler is not a suspect, she notices that he posted a video of Fogle’s students taking their midterm in the lecture hall on the morning of the murder. Cassie and Sloane call Briggs back, together realizing that the footage provides an alibi for all 300 students since Emerson was killed sometime during the exam.

Lia is frustrated after finding out that their adventure at Colonial University was pointless. When Cassie offers to share a tub of ice cream with her, Lia takes her to the roof of the house to eat it together. Cassie understands that Lia is hurt that Dean is shutting her out because he is the only person she trusts. After Lia shares an anecdote about her sibling-like relationship with Dean, Cassie shares the fact that Sterling was one of Redding’s victims. 

They then watch as a car enters the driveway; Sterling and the director emerge from the vehicle. From their vantage point, Cassie and Lia overhear a tense conversation between Sterling and her father.