▁that , ▁as ▁medical ▁personnel ▁attended ▁to ▁Joan ▁Por co ▁at ▁her ▁home , ▁he ▁took ▁a ▁moment ▁to ▁ask ▁her ▁whether ▁she ▁could ▁identify ▁her ▁attack er . ▁Bow d ish ▁said ▁that ▁when ▁he ▁asked ▁Joan ▁if ▁a ▁family ▁member ▁had ▁committed ▁the ▁crime , ▁Joan ▁used ▁her ▁head ▁to ▁indicate ▁" yes ". ▁Bow d ish ▁has ▁maintained ▁that ▁when ▁he ▁asked ▁her ▁whether ▁it ▁had ▁been ▁her ▁older ▁son ▁John athan , ▁a ▁Naval ▁officer ▁station ed ▁in ▁South ▁Carolina , ▁she ▁shook ▁her ▁head ▁to ▁indicate ▁" no ". ▁However , ▁when ▁Officer ▁Bow d ish ▁asked ▁if ▁her ▁son ▁Christopher ▁was ▁responsible , ▁she ▁was ▁said ▁to ▁have ▁nod ded ▁her ▁head ▁up ▁and ▁down , ▁indicating ▁" yes ". ▁She ▁also ▁answered ▁in ▁similar ▁ways ▁to ▁other ▁separate ▁questions . ▁▁ ▁After ▁Joan ▁Por co ▁emer ged ▁from ▁a ▁med ically ▁induced ▁com a , ▁she ▁stated ▁that ▁she ▁was ▁unable ▁to ▁remember ▁the ▁attack ▁and ▁assert ed ▁that ▁she ▁believed ▁her ▁son ▁Christopher ▁to ▁be ▁innoc ent . ▁During ▁vide ot aped ▁testim ony ▁submitted ▁to ▁the ▁grand ▁j ury ▁in ▁December ▁ 2 0 0 4 , ▁Joan ▁test ified ▁about ▁her ▁family , ▁but ▁did ▁not ▁identify ▁her ▁son ▁as ▁an ▁attack er . ▁N ine ▁months ▁later , ▁she ▁wrote ▁a ▁letter ▁for ▁publication ▁in ▁the ▁Alb any ▁Times ▁Union ▁in ▁which ▁she ▁ur ged ▁authorities ▁to ▁leave ▁Christopher ▁alone ▁and ▁" to ▁search ▁for ▁Peter ' s ▁real ▁k iller ▁or