Spread Lu News Today

Relatives here. so, i mean, for them, we are the family. >> reporter: lu had just taken her final exam and was one class away from graduating. and youre going to be grading her last exam? >> yes. i am. >> reporter: how difficult will that be? >> well, ill do the same thing i always do, turn them all face-down, grade them without looking who wrote it, because thats the only way to do it unbiased. but when i turn them back over and look at her name and look how shed done battle, that will be a bit...

And i cant contact her. everyone is worried. that post sparked a gloebl social media search. >> everyones like reposting the status and trying to help her roommate to find her. >> reporter: one friend went to the hospital. her other friend unharmed. >> one of her friends who was with her that day went to get coffee at that moment. >> the third friend went to get coffee at the time the bombs went off. >> yes. exactly. thats why shes still alive. >> reporter: sadness tuesday afternoon after word s...