Trigger happy guards, who drink on duty and recklessly shoot innocent Iraqi civilians. Part of a damning picture portrayed of some contractors from the private U-S security firm, Blackwater, in a new US congressional report. The founder of the company has given evidence to the same committee who compiled the report at a congressional hearing in Washington DC. It comes hot on the heels of an incident in September which saw 11 Iraqi civilians killed and which is now being investigated by the FBI. Rob Reynolds reports.