Brian Laundrie's notebook reveals confession that 'he murdered Gabby Petito'

Brian Laundrie murdered girlfriend Gabby Petito in a ‘mercy’ killing because she was in ‘extreme’ pain after an accident on their van-life adventure in Wyoming, he claims in an astonishing notebook confession.

The apparent sensational twist to a story that has gripped America can now be revealed in images of the eight water logged pages handed to DailyMail.com by the Laundrie’s attorney Steve Bertolino.

Laundrie, 23, writes that he strangled his 22-year-old fiancé as the result of an ‘unexpected tragedy’ in Grand Teton National Park in which Gabby fell into a creek and injured herself on their road trip last summer.

And he began the notebook with a personal message addressed to Gabby, in which he claimed: ‘I wish I could be at your side, I wish I could be talking to you right now.’

In self-pitying sentences written in smudged blue pen, Laundrie claims he battled to comfort Gabby who was deteriorating, crying in pain and shivering from constant cold.

But eventually he killed her,…