21.   Police said it did not appear to be a sectarian attack, and their investigation centered on a suspected link to drug dealing.

22.   The Canadian police investigation is centering around who among Bre-X management may have been involved in the scam.

23.   The investigation centered on the activities of Sport and Leisure Communications Ltd., of which the Lawsons were the sole directors and shareholders.

24.   The investigation centers on suspected payoffs by building contractors to the party for city housing contracts in suburban Paris.

25.   The federal investigation reportedly centers on Haskins.

26.   The investigation centers on the bankruptcy of Hanbo Steel Industry Co., a flagship firm of the Hanbo Group.

27.   The investigation will center on cell phone calls from a phone found in the cab of the truck, according to Iron County Sheriff Dude Benson.

28.   The investigation centers on the previous management of the club and not the current administration.

29.   The investigation centers on whether Opel employees sought illegal benefits from Opel suppliers in exchange for contracts.

30.   The investigation centered on Liberte Capital Group, a Toledo company that buys and sells the life insurance policies of terminally ill people.