ired ▁cell ▁ph ones . ▁ ▁Plot ▁by ▁a ▁South ▁Korean ▁man ▁On ▁November ▁ 1 1 , ▁ 2 0 1 6 , ▁a ▁Korean ▁man , ▁s urn amed ▁Lee , ▁was ▁sent enced ▁to ▁eigh teen ▁months ▁in ▁prison ▁for ▁attempted ▁int im id ation , ▁after ▁he ▁posted ▁two ▁letters ▁on ▁the ▁White ▁House ▁website ▁in ▁July ▁ 2 0 1 5 , ▁in ▁which ▁he ▁threatened ▁to ▁kill ▁the ▁US ▁amb assador ▁to ▁South ▁Korea ▁and ▁ra pe ▁the ▁second ▁daughter ▁of ▁President ▁Ob ama ; ▁however , ▁Pro sec utor ▁Ch ung ▁W oo - j un ▁appe aled , ▁asking ▁for ▁a ▁four - and - a - half ▁year ▁sentence , ▁the ▁highest ▁sentence ▁in ▁court , ▁for ▁der og ating ▁national ▁prest ige ▁in ▁the ▁U . S . – RO K ▁' blo od ▁al liance .' ▁In ▁his ▁letters , ▁titled ▁" Dec laration ▁T error ▁to ▁Mr . ▁President ▁Ob ama " ▁and ▁" D ear ▁Mr . ▁President ▁Ob ama ▁and ▁Mrs . ▁First ▁lady ▁Mich elle ", ▁Lee ▁threatened ▁to ▁assass inate ▁Mark ▁Li pp ert , ▁who ▁had ▁been ▁injured ▁in ▁a ▁st abb ing ▁earlier ▁that ▁year . ▁Lee ▁also ▁threatened ▁to ▁ra pe ▁S asha ▁Ob ama , ▁President ▁Ob ama ' s ▁second ▁daughter , ▁in ▁another ▁letter . ▁ ▁On ▁July ▁ 1 5 , ▁ 2 0 1 5 , ▁Nat asha ▁M . ▁Po esch l , ▁U . S . ▁Emb