<sod >Reid has spent 42 years convinced that Gary was not in his coffin before finally getting Prof Dame Susan Black to carry out DNA tests on the remains â which meant she could be granted a court order for an exhumation.< eod>< sod > Reid has spent 44 years convinced that Gary was not in his coffin, before finally persuading Professor Dame Susan Black to carry out DNA tests on the remains â which meant she could be granted a court order for an exhumation.< eod>