Charlene Downes Murder: a timeline of the key developments

Charlene Downes was born in March 1989 and moved to Blackpool with her family from the West Midlands when she was 10 years old. Then, she disappeared.
Charlene DownesCharlene Downes
Charlene Downes

Ahead of the last episode of Channel 5's new documentary into the mystery, which airs tonight, here is a breakdown of the key events in the timeline of the tragedy.