Shot in 20 days
The main characters wear the same outfits throughout. Mia Scott wears the same blue crew neck sweater repeatedly, Kim wears the same purple half-zip sweater and their professor wears the same black suit/red top while teaching and the opposite while on her show (red suit/black top).
In a nod to journalist and author David Halberstam, who was well known for speaking out against lies and cover-ups, it can be seen that Mia is composing an email to Diane at "halberstam.edu."