Closed - circuit television from underground stations and the streets , witness statements and descriptions provided by passengers will be a major part of identifying and catching the bombers 来自地铁和街道上的闭路电视，目击者的陈述，以及过路行人所提供的描述，将会是辨认爆炸者的主要部分。
Investigators said they had reviewed more than 2 , 500 cctv tapes since the bombings , as well as several hundred witness statements , and had fielded more than 1 , 000 tips from the public 调查人员说，自从发生爆炸以来，他们翻看了超过2500盘伦敦闭路电视系统的磁带，几百份证人证词，从公众中收集了1000多条线索。
The three were placed in isolation ward in siu lam prison and were barred from mingling with other inmates . investigators tony lui , louis cheung and another colleague were assigned to take witness statements from them 为了方便廉署人员接见他们以录取口供，三名毒犯被安排独立囚禁于小榄监狱小榄作特别看守，禁止与其他囚犯接触。
" our work in malaysia involved checking through the related documents and accounts kept by bbmb and the relevant accounting firms , interviewing witnesses , and turning the information gathered and witness statements collected into legally admissible form so that they could be presented as evidence in court 卢敬荣忆述：我们在马来西亚主要的工作包括向裕民银行及相关的会计师楼查阅与案有关的文件和账目接见证人及将证供整理成适合呈堂的法律文件等。
With the assistance of the senior management of the police , we were provided with photos and basic personal particulars of nearly all serving police officers . on the strength of the witness statements , we selected , labelled and pasted the look - alike photos on a single piece of paper for detailed examination by the witnesses 得到当时警方高层的协助，我们取得差不多全港警员的相片和基本的个人资料，就著证人的口供，挑选与疑人相似的人的相片标上号码，贴在同一张纸上，供证人细看。
