In the latest instalment of the series, we hear from a witness who tried to save 14-year-old CJ Davis after he was shot in a suspected gang killing in east London in 2017. Host: John Simpson, the Times' crime correspondent.Investigation: If you have something you’d like to tell us you can reach the podcast team by phone, WhatsApp, email and Instagram: 07535785774, wkcjd.tips@gmail.com and @wkcjdtips.Anyone with information can also contact the police on the dedicated incident room number of 020 8345 3775, or 101. You can also make contact via Twitter @MetCC. To give information anonymously contact Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org. The Metropolitan Police Service offers a £20,000 reward for anyone who can provide information leading to the identification and conviction of the person(s) responsible for CJ's murder.Original Music by Cam Shuck - satellitestudios.co.uk.Additional Music by Jordan Powell, Chris Zabriskie (licensed under Creative Commons) and Breakmaster Cylinder. Hosted on Acast. See acast.com/privacy for more information.