11.   Investigators identified most of the men by the prints, although three who wore gloves in the house were never discovered, according to Biggs.

12.   Investigators identified the father as a boy about the same age as the mother, but said they planned to file no criminal charges against him.

13.   Investigators on Thursday identified the teen-ager who they believe wounded two students at Martin Luther King Jr. High School on Tuesday as Vincent Rodriguez, a fellow student.

14.   Investigators have identified several potential ignition sources that are missing, like the probes that measured the amount of fuel in the center tank.

15.   Investigators identified her parents as being under suspicion.

16.   Investigators identified Yousef and his ring within days.

17.   Investigators quickly identified the cause of the outbreak as a hantavirus, a family of viruses that has relatives around the world.

18.   Investigators soon identified the hijackers of the airliners used in the attacks as foreign terrorists who lived and obtained flight training in several states, including Florida.

19.   Investigators have already identified problems in both areas in a series of independent probes.

20.   One of those men was identified by investigators as Zheng Xian Chao.