How the record develops
Three points in the documented sequence
The group rented 1071 Rua 25 de Março and presented it as P.S. de Souza Grama Sintética. The functioning storefront explained deliveries, soil and continuous activity while shielding preparations.
Federal Police arrested five men at a Fortaleza property, recovered about R$12.25 million and obtained admissions concerning the tunnel work. The operation also sharpened the focus on the alleged organisers.
Agents arrested the alleged tunnel specialist in Vila Mariana after more than a year of surveillance, closing one of the investigation's most prominent outstanding manhunts.

