Prisoners often destroy their containment with homemade tools, smuggled objects, or other contraband. Containers have been used to smuggle contraband. Arms trafficking is the trafficking of contraband weapons and ammunition. The smugglers wounded one of the officers and safely escaped with the contraband. Luigi Oliveri was charged with the possession of contraband cigarettes. The ship also patrolled the Skagerrak to inspect neutral shipping for contraband goods. Second, the doctrine only authorizes "seizure" of contraband or evidence. Ansar al-Sunna funds itself through heroin, contraband and ivory trade. He raised concerns about the increased use of contraband cell phones in prisons. He then worked for multi-millionaire contraband smuggler Alvaro Prieto. The Germans became skilled at intercepting packages containing contraband material. They are available to search for contraband, guns, evidence and missing persons. This act cleared up the issue of contraband slaves. Francis later pleaded guilty for having contraband in his cell. Viceroys had to protect the Pacific coast from French contraband and English and Dutch pirates.