R (on the application of T) v Chief Constable of Greater Manchester

R (on the application of T) v Chief Constable of Greater Manchester is a legal case where an individual, T, challenged the police’s decision not to investigate certain complaints. The court assessed whether the police’s refusal was lawful, considering their duty to investigate and how they exercise discretion. The case clarified that police must have reasonable grounds and follow proper procedures when deciding whether to act on complaints. It emphasizes that individuals can challenge police decisions through judicial review, ensuring accountability and proper exercise of policing powers.