Insights · Evidence

The doorbell that testifies: consumer camera evidence

January 2026 · 4 minute read

A growing share of the video that ends up in court was never meant to be evidence at all. It came from a doorbell.

Consumer cameras, video doorbells, and DIY security systems are everywhere, and they capture incidents no professional system would have caught. But convenience does not change the legal test. Footage still has to be authenticated as a fair and accurate depiction under the standard reflected in Federal Rule of Evidence 901 and New York's Guide to Evidence on video recordings.

The same old clock problem

Consumer devices are, if anything, more prone to clock trouble than professional ones: app time zones set wrong, daylight-saving drift, accounts shared across a household. A widely cited FBI training finding already holds that more than half of all security-camera systems display the wrong time, and casual consumer gear does not improve those odds.

The fix is the same regardless of how humble the camera is: do not trust the on-screen clock, anchor the time to the original file's own metadata, and keep the unaltered original rather than a clip re-shared through a messaging app.