The disappearance of Gabrielle "Gabby" Petito has made international headlines over the past week.

The 22-year-old woman from Florida quit her job and packed up her life to embark on a cross-country road trip with her fiancé, Brian Laundrie, 23, when she mysteriously disappeared.

Brian, who refused to cooperate with police, has since also gone missing.

Here, we look at the events leading up to a body being found in a Wyoming forest - and the FBI's ruling that the young YouTuber was the victim of murder.