What happens when teachers go bad? 

By now, you've probably all heard at least a little bit about the mysterious 'disappearance' - murder - of Lynette Dawson; her husband Chris was recently convicted of her murder 40 years after it occurred.

DeeDee is taking you through the background of this former PE teacher and how he used his position to groom and take advantage of a student in his class and how that lead to the murder of his wife.