Police captured the fugitive on Saturday 31 October at a rural establishment in Hasenkamp and lodged him in Penal Unit No. 1 in Paraná.[1][2] The detained man is Juan Esteban Siebenlist Bustos, who had a standing capture order in the La Paz marijuana transport case.[3] The operation took place at the Doña Inés field on National Route 127, where he tried to escape but was quickly subdued.[3][2] Investigators identify Siebenlist Bustos as one of the people who coordinated transport logistics and escorted the load.[3][2] The case had already led to the detention of Commissioner Daniel Alejandro Rosatelli in the 19 August raids and five more arrests the next week.[1][2]

The investigation began on 13 February when police pursuing a Jumper van on rural roads in La Paz department seized 1,345 kilos of marijuana.[3][2] Police say the load comprised 1,716 packages of marijuana abandoned in the van near La Paz city.[3] During the Hasenkamp search officers seized about two million pesos, foreign currency, six mobile phones, a carbine, 19 calibre .22 cartridges, vehicle documents and a Toyota Corolla with adulterated chassis and engine numbers.[3][2] Five other people were identified at the property.[3] The narcotics section of the Dangerous Drugs directorate located him after about 60 days of investigative work.[3] The case is before Federal Court No. 1 in Paraná under Judge Leandro Ríos.[3]

Rosatelli, a commissioner and lawyer processed with preventive detention over the van allegedly used for transport, remains detained while the federal chamber must decide his appeal.[1] His defence says there is no direct evidence linking him to the transport of the 1,345 kilos of marijuana.[1] The defence rejects using his role in the November 2025 purchase and sale of a Jumper van to establish participation in the later drug transport.[1] The defence also disputes the phone-record interpretation, denies Rosatelli knew the fugitive and seeks revocation of the processing, detention and embargo or alternative measures.[1] Dangerous Drugs chief Claudio Passadore declined further detail because of secrecy, while the federal investigation into responsibilities and transport organization continues.[1]