Neither the Policía Nacional, Spain’s national police force, nor the Spanish Interior Ministry returned requests for comment from CSOonline.com on the arrest, which was made on 31 May in response to a request from US authorities.

The suspect, a person of interest in an FBI-led investigation since May 2023, faces potential extradition proceedings.

Another suspected member of Scattered Spider, 19-year-old Noah Michael Urban, was arrested in Florida in January. Urban faces multiple wire fraud and aggravated identity theft charges. His alleged crimes resulted in the theft of at least $800,000 from five different victims, US prosecutors allege.