At the time of her death, she maintained a relationship with engineer Hugo Sapelli, who was the initial suspect, but took the polygraph test, passed it without incident and left the authorities with no evidence to incriminate him.
In this case, the murderer tricked his victim, who was his neighbor, into believing that Goncálvez's elderly grandmother with whom he lived had suffered a heart attack, and he alone could not revive her.
Once inside the farm, Goncálvez strangled Williams and to make sure of her death he placed a nylon bag over her head, enjoying the victim's agony.
[6] On July 7, 2005, he married a woman named Alejandra, and the ceremony took place in the premises of the Central Prison, located within the Police Headquarters of Montevideo, but the couple later divorced in 2015.
He continued to serve his sentence behind bars in a minimum security penitentiary located near the city of Minas, but enjoyed temporary leaves.
The media information disclosed consistent of brief reports from the Campanero penitentiary in Lavalleja (Goncálvez's last place of imprisonment), as well as extensive interviews with criminologists, psychiatrists, criminal lawyers, etc.