Lucy Davis (Daphne Valiquette) was married to Owain Yeoman (Wayne Rigsby) at the time this was filmed.
Locker key number 42 is a reference to Douglas Adams' book/radio show "Hitchhikers Guide to the Galaxy" - the answer to life, the universe, and everything... a fitting repository for a "universal hack".
The comic book that comes out of the floor safe is The Amazing Spider-man #46 March, 1967.
The ploy used by the killer to disappear has been used in many TV programs and films, but in real life it was invented by a bank robber affectionately nicknamed "D B Tuber" after his unique getaway vehicle, and the famous aeroplane hijacker who used the name D B Cooper.
This episode has a superhero easter egg: The Amazing Spider-man #46 from March 1967. But also contains at least 6 actors who have been in superhero movies and/or TV shows:
- Tim Kang was in Marvel's Cloak & Dagger (2018)
- Owain Yeoman was in DC Comics' Supergirl (2015)
- Amanda Righetti was in Marvel's Captain America: The First Avenger (2011)
- Lucy Davis was in DC Comics' Wonder Woman (2017)
- Scott Menville was in MANY Marvel and DC Comics shows/movies such as Teen Titans Go! (2013) , Spider-Man (2017) , Spider-Man: Into the Spider-Verse (2018) , and many, many more.
- Evan Peters was in Sony's X-men movies X-Men: Days of Future Past (2014) , X-Men: Apocalypse (2016) , and X-Men: Dark Phoenix (2019)