What happened to Tiahleigh Palmer?

TIAHLEIGH PALMER - A TIMELINE

OCTOBER

30 - Tiahleigh, 12, was dropped off by her carer at Marsden State High School - the last time she was seen alive.

NOVEMBER

5 - A missing person alert for Tiahleigh was issued by police hours before an unidentified body was found by three fishermen on the banks of the Pimpama River.

7 - The body was identified as belonging to 12-year-old Tiahleigh. SES volunteers begin a river search.

8 - Friends hold a candlelight vigil in a park near her school.

9 - Students create a floral tribute on school gates before detectives question school friends.

10 - A river search resumes but police admit they have few answers. The Queensland government vows to review response processes for missing children in state care.

11 - Search is upgraded to include land surrounding the school.

13 - Police set up a Crime Stoppers marquee at the school and believe Tiahleigh may have wagged classes.