A house in Belmont, Massachusetts, stood in for the home of reporter Loretta McLaughlin. That same day, the Winn Brook Elementary School was transformed into the Cambridge Police Department for second unit filming. The school was paid $5,000 to be in the film.
On December 9,2021, the Benjamin Franklin Institute of Technology was temporarily turned into a police headquarters for the film. Between January 26 and January 27, 2022, the former Josephine M. Foster Elementary School in Braintree was used as a set. Filming also took place in Jamaica Plain, Lowell, Lynn, Malden, Roxbury, and Wellesley, Massachusetts.
Several private driveways on Statler and Waterhouse Roads were rented to park 1960s vehicles. For the next two days, filming took place in the South End. Scenes were shot on Dwight Street between Tremont Street and Shawmut Avenue.
Carrie Coon and Morgan Spector starred as husband and wife in the hit HBO show The Gilded Age (2022) before joining this movie.
Several health procedures had to be followed due to the COVID-19 pandemic. The entire crew was vaccinated and tested for the virus three times a week until production concluded. Filming wrapped in March 2022.During post-production, Paul Leonard-Morgan composed the musical score.