Thinner Blue Line (2021)

When police officers (Josh Liebelt and Tyler Eagan) are called to a horrific murder, they discover a young boy murdered in cold blood and nearly catch the criminal which turns out to be a grave mistake. Following their lives and the impact the investigation takes on them, it's clear they are living two very different lives. As the net closes in on the murderer, the evidence becomes more disturbing at every turn until the investigation erupts when the plot is uncovered.