1.   Police have appealed for witnesses to come forward.

2.   Police say that the investigation is moving slowly, and they are hoping that more witnesses will come forward.

3.   The mystery deepens as more witnesses come forward to tell different stories.

4.   The police are hoping that new witnesses will come forward with more information.

5.   The police appealed for witnesses to come forward with information.

6.   A vital witness came forward to say that she saw Tanner wearing the boots.

7.   No witnesses have come forward.

8.   Police are asking for witnesses to come forward.

9.   But now two witnesses have come forward.

10.   Two new witnesses came forward earlier this year, and police say a thirty seven year old man is now being questioned.