Murder at the Post Office (2025) is a Documentary, Crime series that follows when postmistress Diana Garbutt was found murdered in her Yorkshire post office in 2010, suspicion quickly turned to her husband, Robin. Convicted in 2011, he has always maintained his innocence. Now, with the Horizon system - the tech at the heart of the Post Office Scandal - under fire, could his case be reopened? Murder at the Post Office is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.0 out of 10 from 2 votes. Fans of documentary series may also want to explore similar titles below.