11.   Democrats on the panel said seven separate investigations into the travel office affair have produced no evidence of illegality or impropriety.

12.   Dexter guessed immediately that the man was trying to extract an exclusive story on the investigation into the murder of Nicola Sharpe.

13.   Education Secretary John Patten ordered an investigation into huge differences in performance between local authorities.

14.   Experts conducted an investigation into the causes of the crash.

15.   His death provokes an outrage and a police investigation into the shooting.