Zebra-Itis

S1 E3: Alan Pape, a longtime veteran of the police department, is hired by Tom Davis to run a lucrative private-security operation in Summit. After a break in Olivia's case, Eric's sister Petra queries Summit police officer Nate Henry about alibis, and heads to Louisiana to track down Joel, who's relocated there with Laura. Reluctantly, he agrees to return to Summit with Petra, and ends up scouring the local bars in search of a mysterious intruder.