In the gripping finale of "Monsters: The Lyle and Erik Menendez Story," titled "Hang Men," the series culminates in the aftermath of the Menendez brothers' trial. The episode opens with the OJ Simpson trial's conclusion, which set a precedent for the Menendez case. The public, still reeling from Simpson's acquittal, is hungry for justice, and the Menendez brothers are caught in the crosshairs.

Lyle's misguided confidence in their case is evident as he attempts to generate publicity and funds, even going so far as to purchase an expensive wig. His actions are in stark contrast to Erik's deteriorating mental state, who, in a moment of clarity, realizes the gravity of their situation. The release of Lyle's book, compiled from recordings with writer Norma Novelli, only serves to damage their case further, as it contains incriminating statements.
The second trial is a disaster for the defense. Leslie Abramson, their attorney, is constantly overruled, and the witness statements paint a different picture of the events leading up to the murders. The prosecution effectively argues that the murders were premeditated, as the parents were asleep when they were killed, eliminating the possibility of self-defense.
Erik's testimony on the stand is a pivotal moment in the episode. His frustration with the proceedings is palpable, and his confusion over the details of the handguns provides a significant setback for the defense. The prosecution uses this to their advantage, further convincing the jury of the brothers' guilt.
The episode also highlights the brothers' excessive spending following their parents' death, which the prosecution uses to argue that the murders were motivated by greed. The jury ultimately finds the brothers guilty, leading to a decision on sentencing.
The sentencing phase is a tense and emotional rollercoaster. The jury deliberates on whether the brothers should receive life sentences without parole or the death penalty. The episode ends with the brothers being sentenced to life in prison without the possibility of parole, a decision that seems to offer little solace to the victims' family and the public.
In a final twist, the episode recontextualizes the moments leading up to the murders, suggesting that the brothers were planning their actions even as they participated in family activities. This portrayal adds a layer of complexity to their characters and challenges the viewer's perception of their motives.
"Hang Men" is a powerful conclusion to the series, offering a nuanced portrayal of the Menendez brothers' story and the trial that defined their legacy. The episode leaves viewers with a sense of the inescapable consequences of their actions and the lasting impact of the abuse they claim to have suffered. As the series ends, the question of who the real monsters are remains open to interpretation, a testament to the complexity of the case and the human capacity for both evil and suffering.