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Police diving is a branch of professional diving carried out by police services. Police divers are usually sworn police officers, and may either be employed full-time as divers or as general water police officers, or be volunteers who usually serve in other units but are called in if their diving services are required. The duties carried out by police divers include rescue diving for underwater casualties and search and recovery diving for evidence and bodies.〔 "Public safety diving" is a term coined by Steven J Linton in the 1970s to describe underwater rescue, underwater recovery and underwater investigation conducted by divers working for or under the authority of municipal, state or federal agencies. These divers are typically members of police departments, sheriff's offices, fire rescue agencies, search and rescue teams or providers of emergency medical services. Public Safety Divers (PSDs) can be paid by the previously mentioned agencies or non-paid volunteers. A fictional example of a police diver is Eric Delko from the CBS crime drama ''CSI: Miami''. == Public safety diving == An extract from NYPD Scuba Team on what public safety diving includes:〔 * Evidence recovery * Submerged body recoveries (from accidents/suicides/crime victims) * Anti-narcotics operations (inspecting ships hulls etc.) * Anti-terrorism operations (Explosive Ordnance Disposal) * Search and rescue operations * Other maritime law enforcement Due to the conditions in which accidents may happen, or where criminals may choose to dispose of evidence or their victims, police divers might need to dive:〔 * In murky canals, lakes, and rivers * Currents that can run as fast as 6 knots * In intake pipes and sewers * In water towers under hostile environmental conditions which can include:〔 * Sludge, mud, debris or thick vegetation * Under ice * At night time or with zero visibility * Frigid water, rough seas and weather * Strong currents * Water with toxins or parasites * And other situations beyond any recreational diving training 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Police diving」の詳細全文を読む スポンサード リンク
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