11.   Late Friday, no motive had been established.

12.   No charges have been filed in either case, and police have established no motives.

13.   No motive has been established.

14.   No motive was ever established.

15.   No motive had been established as of Friday night, authorities said.

16.   Prosecutors are likely to use such documents to establish his motive at a trial.

17.   Specifically, Rivard and the IAPA have asked the authorities to establish a motive in the death.

18.   That opened the way for the government to establish a motive by Andersen officials to destroy documents related to Enron.

19.   The assailant was never identified and a motive was never established.