Vocabulary Crime criminal detective fingerprint footprint robbery thief / thieves witness 6 Read the definitions and write the correct words. 1 A person who takes something from someone without their permission. thief 2 When someone's finger leaves a mark. 3 A person who commits a crime. 4 A person who sees a crime. 5 When someone's foot leaves a mark. 6 When you steal money or things from a bank or a shop. 7 Someone who finds out information. about a crime.​