Minutes later, when police reached the second floor of Norris Hall, they found Cho dead, apparently having killed himself.
In the case of Liviu Librescu, violent death came with a special irony: it arrived when he seemed to have found tranquillity after a life of danger and struggle. He had become a popular professor with an international reputation in aeronautical engineering.
In Israel, Monday was Holocaust Remembrance Day.
-Richard T Cooper & Valerie Reitman