1.   Police are investigating whether the three shootings are connected.

2.   Police are linking the two shootings.

3.   Although he was indicted in the other shootings, Davis was never tried on the related charges of murder and attempted murder.

4.   All the letters appear to be hoaxes, and it remains unclear whether they were connected to any of the five shootings.

5.   Canadian investigators say they believe that the first four shootings are related.

6.   Gov. Michael O. Leavitt, a conservative Republican, called for a special session of the Legislature to deal with the issue raised by the two shootings.

7.   Neither Dillon nor Trainor appeared to have been singled out in the two shootings.

8.   Police are waiting on ballistic evidence and handwriting analyses before they decide whether to charge William Lewis with any of the other shootings.

9.   Police said they did not believe the three shootings were connected with the wounding of a German tourist on a Circle Line cruise along the Harlem River on Monday.

10.   The authorities agree, noting that all four of the suspects involved in the five shootings are non-native Texans.