There was a flow of security-force information to the uda : perhaps 85 % of its intelligence came from official sources .
安全部门不断给阿尔斯特防卫团提供情报：大约85%的情报来自官方。
The gunmen were members of the loyalist ulster defence association ( uda ) , a collection of brutal backstreet gangs , but immediately after the murder rumours circulated that they had been directed by british security personnel .
