Four Dead in Mexico in Wrench Attack Involving $1.5 Million in $BTC

Jonathan Meléndez, a member of the Mexican rock band Camilo Séptimo, was killed along with his family in what stands as one of the worst wrench attacks in Mexican history. So-called wrench attacks are physical, in-person crimes — kidnapping, home invasion, or coercion — aimed at forcing crypto holders to surrender access to their funds, in contrast to the hacking and fraud that dominate most crypto crime reporting.

According to official reports from the Mexican State Prosecutor's Office, Meléndez, his wife — who was four months pregnant — their 3-year-old daughter, their housemaid, and the family dog were all found dead on September 1 in the family's apartment in Atizapán.

Meléndez and his wife were discovered tied at the scene, each with gunshot wounds to the head; their daughter had also been shot in the head. The housemaid was found with gunshot wounds in her back.

Local media with access to the investigation linked the killings to Meléndez's cryptocurrency savings, as he allegedly held $1.5 million worth of bitcoin in a hardware wallet.

Omar Garcia Harfuch, Mexico's Secretary of Security and Citizen Protection, announced the detention of two suspects alleged to have carried out the multiple killings less than 12 hours after the crimes, in connection with a debt dispute. One of the suspects, identified as Diego Sebastian "N", was an associate of Meléndez and used that relationship to gain access to the victim's home. That detail echoes a pattern seen in other wrench attacks, where perpetrators are often acquaintances or people to whom the victim's holdings were known, since physical access to a person — not to a network — is the attack vector.

According to the investigation, Diego Sebastian "N" and Gerardo "N" — who was promised nearly $120,000 for his collaboration in the crime — were aware of the victim's crypto holdings and stormed the house seeking the hardware wallet that held the $BTC funds.

During the home assault, Meléndez allegedly threatened Diego Sebastian "N" and his accomplice, telling them that other people knew they were there. Investigators believe this prompted the attackers to leave no witnesses, leading them to commit the multiple murders.

On Thursday, President Claudia Sheinbaum addressed the case during a press conference, calling it "a very sad, regrettable situation." She stated: "The causes of a dispute that the family had with another family are known; it even appeared in the media, and the families are being supported."

The killings come amid a rise in wrench attacks internationally, in which even exchange heads and high-profile individuals have been targeted as cryptocurrency grows more popular and is increasingly adopted for savings and even daily payments. Lawmakers and security firms in several countries have responded with growing attention to physical crypto security, and cases like this one are likely to keep pressure on that conversation as adoption widens.

Diego Sebastian "N" and Gerardo "N" each face up to 70 years in prison for every count of first-degree murder.