1.   The killer left an incriminating trail of footprints across the lawn.

2.   At some point, the killers left the library and shot a teacher, identified by witnesses as Dave Sanders.

3.   Again the killer leaves clues, and it is up to Rhyme to decode them, before there is another victim.

4.   His killers left the rest of his corpse outside a black cemetery east of Jasper.

5.   In Colorado, the two killers left some clues in the form of computer messages, including death threats, according to Web pages assigned to the boys.

6.   Investigators believe the Green River killer must have left something somewhere.

7.   Late that night, Mevludin heard the killers leave.

8.   Next to Nicole Brown and Ron Goldman, the killer left hairs, fibers, shoe prints, a cap and a glove.

9.   Stowe may have seen the killer leave the scene.

10.   Police spokesman Alexander Cherednikov said his killers left two pistols equipped with silencers at the scene.