11.   Since then, agriculture officials have tracked their rapid advance across the county.

12.   Such delays make it more difficult for federal officials to track the spread of disease, identify the causes and take action, Koplan said in an interview.

13.   That is hardly enough time for law enforcement officials to track down convictions.

14.   That would help law enforcement officials track suspicious activity, and would also make American banks wary of doing business with such places, officials said.

15.   While state and federal officials tracked the waste through the river, discussed possible fines and began an investigation of the spill, neighbors were still reeling.

16.   Would require state officials to track the number of adults accompanied by children who are denied access to domestic violence shelters.

17.   But the woman, Arin Ahmed, backed out, and Israeli security officials soon tracked down those they say were behind the attack.

18.   But she backed out, and Israeli security officials soon tracked down those they say were behind the attack.

19.   Health officials track flu through the number of outbreaks in long term care facilities such as nursing homes.

20.   He was first spotted near Kawaihae several days ago, and wildlife officials tracked him until he could be captured, she said.