11.   On Wednesday night, the police contacted some of those named, but said none of them knew Troy.

12.   Other police departments have contact the San Francisco department about the suspects.

13.   Police contacted Theresa Oleary in Florida, and she said that a similar knife was missing from their home.

14.   Patrick Coonan, a vice president at the hospital, declined to comment, except to say that the police had not contacted officials there.

15.   Police first contacted Rodriguez on Saturday afternoon by telephone at his home, to arrange access to the Manhattan apartment building.

16.   Police also contacted the Missouri Department of Family Services, and on Wednesday an officer and a social worker visited the Aguirre home.

17.   Soon after that, Miami-Dade police contacted Kansas City about a possible link between the girls.

18.   The caller suggested that police contact Kansas City investigators about Precious Doe.

19.   The Montreal police have contacted the F.B.I. and Interpol, but to no avail.

20.   The state police then contacted the Texas Department of Public Safety, which in turn notified other authorities.