This fascinating true crime series is told by the people at the heart of the investigation as they recount the moment they realised they'd cracked the case.

This dramatic series focuses on cases involving the most prolific cause of relationship and spousal murder worldwide - jealousy.

After Charlie Webster and her friends were abused by their coach, they never spoke again. Years on, an email out of the blue sets her on a journey back to her past to find them.

Stacey embeds herself within specialist police and victim support stalking units - each dedicated to stopping stalking from escalating into life changing violence, or even murder.