▁the ological ▁studies . ▁ ▁Christian ▁apolog et ics ▁Wal lace ▁began ▁applying ▁the ▁principles ▁of ▁cold - case ▁hom ic ide ▁investigation ▁to ▁Christian ▁apolog et ics . ▁He ▁has ▁written ▁four ▁books ▁address ing ▁the ▁evidence ▁for ▁Christian ity : ▁Cold - Case ▁Christian ity , ▁A live , ▁God ' s ▁Crime ▁Sc ene , ▁and ▁For ens ic ▁Fa ith . ▁Wal lace ▁has ▁been ▁a ▁guest ▁on ▁a ▁number ▁of ▁television ▁programs , ▁including ▁The ▁ 7 0 0 ▁Club ▁( CB N ), ▁Pra ise ▁The ▁Lord ▁( TB N ), ▁ 1 0 0 ▁H unt ley ▁Street ▁( C ross ro ads ), ▁and ▁The ▁Leon ▁Show ▁( TB N / The ▁Mi racle ▁Channel ). ▁He ▁has ▁spoken ▁on ▁several ▁radio ▁broadcast s , ▁including ▁The ▁Laura ▁In gra ham ▁Show , ▁The ▁Eric ▁Met ax es ▁Show , ▁The ▁Jan et ▁M ef fer d ▁Show , ▁and ▁In ▁the ▁Market ▁with ▁Jan et ▁Par sh all . ▁ ▁Books ▁ ▁Cold - Case ▁Christian ity ▁Wal lace ' s ▁first ▁book ▁is ▁Cold ▁Case ▁Christian ity ; ▁A ▁Hom ic ide ▁Det ect ive ▁Investig ates ▁the ▁Cla ims ▁of ▁the ▁G osp els ▁( David ▁C . ▁Cook , ▁ 2 0 1 3 ), ▁present ing ▁ten ▁principles ▁of ▁cold - case ▁hom ic ide ▁cases ▁and ▁using ▁them ▁to ▁investigate ▁the ▁claims ▁of ▁the ▁New ▁Testament ▁g osp els . ▁ ▁God ' s ▁Crime ▁Sc ene ▁ ▁In