Ex. 22. Methods of crime detection have improved since Agatha Cristie wrote her detective novels. Nowadays the police can use a number of techniques to help them, including:
forensic evidence (blood, hair, fingerprints)
DNA fingerprinting
psychological profiling
geographic profiling
What do you know about these techniques?
Ex. 23. Business tycoon, George Henderson, aged 45, was found murdered last night in the library of his mansion. Police detectives are questioning the four suspects below. Read the information about the victim and the suspects and decide who the murderer could be. Use may/ might, could, must or can’t. E.g. The butler might have committed the crime because he desperately needed the money. George Henderson (the victim) The multi-millionaire had been stabbed in the back at about 10 pm. No murder weapon was found. The victim had been watching a documentary on TV Channel 3 when he was killed. His supper tray was found on a table in the library; the food had not been touched!
Roy Smith (the butler) The butler’s mother is very ill, but his salary is too low to pay for the surgery she needs, even though he had been working for Henderson for twenty years. He was considered by all to be a loyal employee. He claims that at the time of the murder, he was watching a documentary on TV Channel 3.
Charles Henderson (the nephew) George’s Henderson’s nephew, Charles, had been warned by his uncle to change his “wild ways” or he would be cut pout of the will. He had no keys to the mansion. He was secretly seeing Henderson’s housemaid, Claudine. He says he was at home alone watching a sports programme on TV Channel 3 between 9 and 11 pm.
Claudine Dupont (the maid) George Henderson’s maid for past two years, Claudine, was believed to be a reliable employee. She says she was washing Henderson’s supper dishes in the mansion’s kitchen at the time of the murder.
