The character of Katie Arneson was not based upon any one person, but was inspired by a handful of high-profile cases.
Hanging in Jennifer's bedroom is a poster advertising "Quilted Cotton Pads - 99¢." The style of the sign makes it clear that it's from an old Toronto discount store called Honest Ed's.
Amber Anderson was cast on the first day of production. She plays the longtime girlfriend of Kacey Rohl, however the two only met the night before they shot their first scene together.
The film was scheduled to be released theatrically in April 2020, but the COVID-19 pandemic forced the Canadian distributor to release it digitally that summer instead.