Sue Johnston and Nina Toussaint-White give us all the details of Channel 5 original drama, Witness Number 3. #WitnessNumber3 #WN3 #Channel5 Subscribe to Channel 5 for more: https://bit.ly/35P9Rz7 Watch this and more Full Episodes on My5: https://tinyurl.com/y5fvp6ly Download the My5 App: App Store: https://apple.co/2sHmfTx Google Play: https://bit.ly/2LjieuK More from Channel 5: Like: https://www.facebook.com/channel5uk/ Follow: https://twitter.com/channel5_tv Instagram: https://www.instagram.com/channel5_tv/ Channel 5 is home to your favourite TV Shows, Drama, Documentaries, History, Sports and Soaps; everything you are looking for is here! You can find whole episodes and box sets on https://www.my5.tv/