He was caught by the police for trying to procure illegal drugs.

procure 是动词，由前缀 pro-（表示"向前"）和词根 cure（来自拉丁语 curare，意为"照料、获取"）组成，本义是"努力获得、设法取得"。在正式语境中常指通过特殊渠道或手段获取某物，特别是难以获得的物品。