SIM swapping and cameras, keys to stop

Robert Collins

Global Courant 2023-05-30 14:00:49

The judicial situation of Darío Holzweissig (46) was complicated. They accuse him of killing Griselda Blanco (44) in Curuzú Cuatiá, Corrientes.

A method that is used by criminals and that several Buenos Aires politicians suffered in recent times helped the Federal Police to establish the link between the journalist from Corrientes Griselda Blanco (44) and the night businessman who is accused of murdering her.

Through “SIM swapping”, that is, cloning the chip from the victim’s phone that the murderer made disappear, the agents were able to reconstruct their WhatsApp conversations up to two days before the crime, and establish that they maintained a link that gradually tightened because of some demands of the victim.

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The judicial situation of Darío Alfredo Ricardo Holzweissig (46) is complicated. Although for now the prosecutor Maria José Barrero Sahagún charged him with the crime of simple homicide, in the coming weeks that classification would change to that of femicide.

Journalist Griselda Blanco (44), murdered in Curuzú Cuatiá, Corrientes.

The journalist’s children will become plaintiffs and will move forward with this proposal based on the clandestine relationship that linked Blanco with Holzweissig.

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The security cameras were also key to locating the businessman of the night in the vicinity of the victim’s home. The images revealed that the man left his house at 2:11 a.m. on May 20 aboard his wife’s Suzuki Swift.

To get to Juan Pujol, where Blanco lived, Holzweissig took an illogical path and parked on another street, more than a block away. At 2:37 p.m., another image shows him walking, meters from Griselda’s house. He left there at 3:12 with a phone in his hand and the same bag he had arrived with.

The man arrived at his house again at 3:35 a.m. -he used a faster route- and ten minutes later he was seen walking towards the open field where a knife and a broken cell phone were found on Friday morning, identical to the one that disappeared from the house. of the journalist

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The cell phone they found in a vacant lot was the same as that of the journalist Griselda Blanco (44), murdered in Curuzú Cuatiá, Corrientes.

At 4:02, he went back to the vacant lot next to Route 126. “The camera only shows him walking towards that place, but it doesn’t capture what he’s doing,” said a source linked to the investigation.

The businessman was put on the radar of the Federal Police Homicide detectives by Griselda’s children. They both knew of the bond and of some problems they had had.

That is why Holzweissig’s cell phone was seized, from which he had deleted the history of conversations with the victim. The feds were able to salvage much of the messages. The rest came from “SIM swapping”, a very simple procedure that only needs a series of personal data from the victim to take possession of the SIM card and thus be able to access all the contents of the phone that, in this case, the murderer made it disappear

Blanco’s children recognized that the destroyed device that appeared in the vacant lot is the same model and the same color as the one used by their mother. The experts could not access the IMEI (International Mobile Station Equipment Identity), which is the 15-digit code pre-recorded by the manufacturer to identify each mobile device worldwide. Each make and model has an identification code issued by the Global System Mobile Association.

“There are audios that the businessman sends him in which he is heard very nervous. There are things that are going to be preserved because he protects people’s privacy, but they are quite clear. Also the request for money from the victim. One of those payments is documented by a bank transfer, but it is not clear if it was for publicity of the bowling alley or for some other reason,” said sources linked to the file.

The journalist Griselda Blanco (44), with her sons Lautaro and Fabián Cesani.

The prosecutor Barrero Sahagún received the images from the security cameras and those messages to request the businessman’s preventive action. The judge of Guarantees Matías Vega agreed with him.

The autopsy revealed that Griselda Blanco suffered a severe blow to the head and two stab wounds to the neck that did not injure important arteries.

Cause of death was strangulation with a rope which, you know, has male genetic material. The DNA could be known this week.

Several hairs were found in one of the woman’s hands that she pulled out from the murderer when he was fighting for his life. From the morphological analysis it emerged that they are identical to those of Holzweissig, but one of them had the bulb and the Barrero Sahagún prosecutor’s office and the Federal Police are convinced that it will coincide with the genetic profile of the imprisoned businessman.

This DNA study will be carried out by the team led by the biologist and geneticist Daniel Corach. With these scientific tests, the siege on the businessman would begin to close.

EMJ

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SIM swapping and cameras, keys to stop

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