By rgriffiths@thekmgroup.co.uk (Rhys Griffiths) In 1999 a pregnant mother went missing from her home in Deal, and it took more than 20 years for her husband to be brought to justice for her murder. The discovery of the remains of Debbie Griggs in the garden of her husband’s former home in Dorset is just the latest chapter in a story that shocked a community, as Rhys Griffiths reports. Mother-of-three Debbie Griggs disappeared from the family home in Deal on May 5, 1999. After the alarm was raised a huge search was launched, with detectives saying how unusual it was that the 34-year-old would c…