Lynette Dawson's sister gives evidence at murder trial

Diaries kept by Lynette Dawson's mother tendered as evidence in the murder trial of former school teacher Chris Dawson have revealed her agitation at his relationship with the couple's 16-year-old babysitter. The 73- year-old former school teacher is charged wtih murdering his wife Lynette Dawsoin in 1982 he claims she left of her own accord.