The Informer (2019)6.9 /10

Storyline:  In a high-stakes game, an ex-convict working undercover intentionally gets himself incarcerated again to infiltrate the mob at a maximum-security prison. Tense plot twists amplify the suspense in this taut thriller. It's a must-watch for the gritty, atmospheric cinematography that cleverly evokes a sense of claustrophobic dread throughout the film.