▁their ▁son , ▁" You ▁just ▁left ▁and ▁( we ) ▁can ' t ▁believe ▁( our ) ▁eyes ▁as ▁I ▁look ▁at ▁your ▁inter im ▁grade ▁report . ▁You ▁know ▁what ▁they ▁say , ▁' Three ▁strik es ▁and ▁you ' re ▁out .' ▁Exp lain ▁yourself ." ▁The ▁email ' s ▁subject ▁header ▁was ▁" Fail ing ▁Gr ades - You ▁did ▁it ▁again !" ▁Several ▁days ▁later , ▁Christopher ▁replied ▁in ▁a ▁message ▁to ▁his ▁father . ▁Bl aming ▁the ▁community ▁college ' s ▁registr ar , ▁he ▁wrote , ▁"[ B ] ut ▁obviously ▁they ▁are ▁incorrect ... My ▁lowest ▁grade ▁that ▁I ▁got ▁on ▁anything ▁was ▁a ▁B ▁on ▁a ▁physics ▁test ... Don ' t ▁jump ▁to ▁conclus ions , ▁I ' m ▁fine ." ▁Por co ▁earned ▁read mission ▁to ▁the ▁University ▁of ▁Ro chester ▁with ▁a ▁for ged ▁trans cript ▁from ▁H V CC . ▁Judge ▁Ber ry ▁refused ▁to ▁allow ▁pro sec utors ▁to ▁use ▁the ▁for ged ▁trans cript s ▁as ▁evidence ▁in ▁their ▁criminal ▁case ▁against ▁Christopher ▁Por co . ▁ ▁Prior ▁to ▁the ▁attack , ▁there ▁had ▁been ▁t ension ▁between ▁Christopher ▁Por co ▁and ▁his ▁parents ▁about ▁money , ▁including ▁over ▁lo ans ▁Christopher ▁had ▁taken ▁out ▁to ▁pay ▁his ▁tu ition ▁and ▁to ▁fin ance ▁a ▁new ▁Je ep ▁W r ang ler . ▁Following ▁the ▁Fall ▁ 2 0 0 3 ▁sem ester , ▁University ▁of ▁Ro chester ▁officials ▁had ▁forced ▁Christopher ▁Por co ▁to ▁withdraw ▁because ▁of