very touching. As a mom, I can totally relate.
roller coast-->roller coaster
Angelina Joliet-->Jolie
Angelina Joliet delivered a Oscar-caliber performance, who totally disappeared into the role she was playing, a heart breaking（broken） mom whose son got kidnapped, but she never gave up her hope and had the guts to take on the whole corrupted LAPD to finally get the truth surfaced.
這個句子who從句跟在performance不太好，我自己可能會把它分成兩句。現在的結構有點亂。but she是不是換成but who好一些，來定語從句修飾a heart-broken mom？
Although it was a false alarm, I believe no mom would like to go through this kind of false alarm one more time in her life。其他mom不一定有過這樣經曆，所以刪掉one more time.
I was working from home that day, debugging a sticky issue on a remote server, which had the central time zone in the system. I must have lost the track of time
The moment I realized it, it was already half an hour past the pick up time.
I rushed to the school while cursing all the way along。 不太確定，覺得沒有along讀著順點兒。
on the campus 還是on campus不太確定。
only got the answer machine-->answering
I called all emergency contacts I listed for the school.--> all the
