Ep 5. Robert Trigg

In season 2 episode 5 of 999: Killer on the Line, viewers are taken through the harrowing case of Robert Trigg, a man who was convicted of killing two of his girlfriends over a period of several years. Through interviews with key investigators, family members, and legal experts, the episode pieces together Trigg's history of abusive behavior and the tragic consequences that resulted from it.

The episode begins by highlighting the case of Susan Nicholson, a 52-year-old woman who was found dead in her home in 2011. At the time, her death was ruled a result of natural causes, but suspicions were raised after her partner, Robert Trigg, had initially denied being in the room with her at the time of her death. Trigg, who was known to have a history of violence towards women, was eventually charged with her murder and later convicted.

The episode delves into Trigg's past, explaining how his abusive behavior towards his girlfriends had escalated over the years, leading to the deaths of both Nicholson and another girlfriend, Caroline Devlin, in 2006. The show includes interviews with Devlin's family members, who recount the numerous warnings they had given her about Trigg's violent tendencies, and how Devlin had ultimately paid the price for disregarding those warnings.

Through interviews with detectives who worked on the case, the episode sheds light on the investigation that led to Trigg's eventual arrest and conviction, including the use of sophisticated forensic techniques that helped to build a strong case against him. The show also explores some of the legal challenges faced by prosecutors in the case, including the difficulty in proving beyond a reasonable doubt that Trigg had intended to kill both Nicholson and Devlin.

Overall, this episode of 999: Killer on the Line is a gripping look at a tragic case of domestic violence and its deadly consequences. It provides a sobering reminder of the importance of recognizing the telltale signs of abusive behavior, and of taking action to protect oneself and others from the potentially life-threatening dangers of intimate partner violence.