>> reporter: here at l.a.x., hernandez says her husband leaves behind two young children. he was her high school sweetheart. he was born in el salvador and came here to the united states when he was 15 years old and by every measure he was living the american dream. she says he joined the tsa in 2010 and was filled with pride protecting america's passenger planes. >> he was a wonderful husband, father, brother, son, and friend. gerardo would have been 40 next week. i am truly devastated. we are all heartbroken and will miss him dearly. >> here the tsa officers are wearing black bands around their badges. it's a sign of mourning for their fallen officer as far as