Linda Calvey, infamously known as 'The Black Widow,' led a life of crime before being sentenced to HMP Holloway, where she arrived just as newbie prison guard Vanessa began her career. Now, decades later, they reunite to reflect on their experiences from opposite sides of the law. SUBSCRIBE: https://www.youtube.com/c/Channel4Documentaries?sub_confirmation=1   About #4Docs: Welcome to Channel 4 Documentaries; the home of cutting-edge factual content, from the award-winning 24 Hours in A&E and Police Custody to provocative and powerful original true stories. Our True Crime series bring you mind-blowing tales of real crimes and unbelievable murder cases, and the investigative Untold and Dispatches delve into current affairs. Join the detectives piecing together the clues and pursuing criminals at every corner, see stories of life, love, and loss unfold in some of Britain’s busiest A&E departments, explore social injustice with Kathy Burke, and even more! All you have to do is subscribe to our channel, right here on YouTube. Check out some of our grittiest playlists: Untold: https://youtube.com/playlist?list=PLiC_gpE7y052N7fKqqI--hgoqi375K614 24 Hours In A&E: https://youtube.com/playlist?list=PLiC_gpE7y051uPem0F3XQTWc02q_H8e6t Must-Watch Originals: https://youtube.com/playlist?list=PLiC_gpE7y052A6nVxPmIM3ZWU2zCHShzI   Kingpin Cribs: https://www.youtube.com/playlist?list=PLiC_gpE7y050X-Az-2N-XuFE0Le3ivCrG   24 Hours In Police Custody https://www.youtube.com/playlist?list=PLiC_gpE7y051cnB1ckaz3Z0oxSMVRsG7J Love Against The Odds: https://www.youtube.com/playlist?list=PLiC_gpE7y050ubK3hWmMNgWyBxhrdwrOP What Everyone Is Watching: https://youtube.com/playlist?list=PLiC_gpE7y051kjiim3ZRb1C2AJgex9jCI Ask The Mask: https://youtube.com/playlist?list=PLiC_gpE7y051WUgY7TE9y6oSsBoJ0uy5o 999: What’s Your Emergency? https://youtube.com/playlist?list=PLiC_gpE7y053jTqWFOr9hpeU-1Af3z17l Dispatches Full Episodes: https://youtube.com/playlist?list=PLiC_gpE7y052qcnyY1SQNUIXYP7tgVSdo True Stories: https://youtube.com/playlist?list=PLiC_gpE7y051TAP_WXaYv6ydC0o3FABRC Stream on #Channel4