Authorities in the State of Mexico have arrested two suspects, Diego Sebastián and Gerardo, in connection with the killings of Camilo Séptimo keyboardist Jonathan Meléndez, his pregnant wife, their daughter, and an employee, according to Cointelegraph, citing the Office of the Attorney General of the State of Mexico, or FGJEM. The family’s golden retriever was also killed.
Prosecutors said the suspects allegedly carried out the crime to obtain a cold wallet reportedly holding millions of dollars in Bitcoin. One of the suspects was identified as the victim’s business partner and is accused of using that relationship to enter the victim’s home.
The two men are scheduled to appear in court on Wednesday. A judge will decide whether enough evidence exists to continue the criminal proceedings. If convicted, the sentence tied to each victim could range from 25 to 70 years.
Wrench attacks against crypto holders are rising
The report said violent robberies targeting cryptocurrency holders, often called wrench attacks, have been increasing.
Data from CertiK showed 52 wrench attacks were reported worldwide in the first half of 2026, up 33.3% year over year. Of those, 20 were home invasions targeting crypto holders, compared with just one in the same period a year earlier.
Chainalysis estimated that criminals stole more than $30 million in cryptocurrency through wrench attacks in the first half of 2026. In 2025, global wrench attacks rose 75% year over year to 72 cases. France ranked first with 19 cases, while Europe accounted for about 40% of the global total.