21.   Experienced investigators grudgingly concluded that they had the wrong man.

22.   Failed insulation on old wiring was the culprit, investigators finally concluded.

23.   GAO investigators concluded that despite past entreaties to the armed forces to give their investigative boards greater independence, movement toward that end has been slow.

24.   If investigators conclude a criminal act caused the crash, the airline would not be liable for damages.

25.   In both cases, congressional investigators later concluded that the tests were partially rigged to exaggerate the results.

26.   In that case, investigators concluded that negligence by prison employees was to blame.

27.   Investigators conclude that the J train ran a red signal at high speed.

28.   Investigators concluded that a track worker had flipped a track switch that the train was crossing.

29.   Investigators concluded that not only did officers violate policy by hogtying Hernandez, but they also tried to cover it up.

30.   Investigators concluded that the United flight had violated holding-pattern instructions.