On this pilot episode for the spinoff CSI: Cyber, as Agent Avery Ryan (Patricia Arquette) is preparing to board a plane to fly to Las Vegas the music playing is the song by The Who "I Can See For Miles" that becomes the theme song for the spinoff.
Even though this was considered to be the backdoor pilot, broadcasting of regular "CSI: Cyber" episodes starring Patricia Arquette as FBI Special Agent Avery Ryan won't start until almost a full year later on March 4, 2015.
Regarding how the killer finds his way around the house Stokes says "Yeah, he'd still have to get past guards shacks, armed security and electronic sensored gates. It's like Shawshank over there". In this episode, "Lee Berman" is played by Gil Bellows who starred as "Tommy" in the 1994 movie "The Shawshank Redemption".