Leah Croucher's family were hit by a second tragedy following her disappearance after her brother killed himself feeling "hopeless" and "lost".
Haydon, 24, took his own life after telling a therapist her was struggling to cope with his sister's disappearance.
After explaining how he had become fixated on killing himself, Haydon was found dead in his flat in Bletchley, nine months after Leah vanished.
