I've seen enough criminal trials to know victims of armed attacks are seldom able to identify their offenders because their attention focuses on the guns, rather than on their users. (Para. 15)
Meaning: I've seem a lot of criminal trials so that I know only a very few victims of armed attacks are able to establish who their attackers are because they focus their attention on the guns and not on the users of the guns.
vt. 识别,认明,鉴定
vi. 认同,感同身