11.   Moreover, the filing said the government is still investigating to determine if Andersen committed other crimes that contributed to the collapse of Enron.

12.   Police are still investigating to determine if additional charges will be filed.

13.   Police are still investigating to determine where the bullet came from.

14.   Publicly, the FBI is saying that the half brothers are still being investigated to determine whether there is a link.

15.   Prosecutors said a grand jury would investigate to determine whether Marback could be charged with further crimes.

16.   The agency is investigating to determine if the treatment was the cause of the death.

17.   The commission is investigating to determine whether such payments violate antitrust laws.

18.   The officials have not classified the fire as suspicious but are investigating to determine if Malden Mills followed all required safety rules.

19.   When a complaint is filed with the department, Martin said, it is investigated to determine its validity.

20.   Prosecutor Norbert Weise said his office was investigating to determine whether the organizers should be prosecuted for negligence.