A UK private investigator has revealed how he uses smart speakers like Alexa to catch out cheating partners - and the voice ...

Spy Gadgets' clientele include business owners, worried spouses and private investigators By Harold Goodridge - [email protected] Updated September 09, 2009 6:33 AM ...

In a smart square a few hundred metres from 221B Baker Street, the most famous address in detective fiction, stands an intriguing shop. In the window is an array of curious gadgets and hi-tech ...

She says: “Our detective used photo recognition software to do an internet search to try and match Popsie’s photo online in case some had a ‘new dog’ and were showing it off on social media.

As a new episode of the BBC's detective series airs on New Year's Day, we investigate what you need to be a modern day Sherlock.