CNN Anderson Cooper 360 April 6, 2013 03:35:00
Friend. it was just an amazing, amazing couple and you can't replace these people. it's just such a tragic loss. >> christina, can you describe how your parents felt about their own safety and security, both before and after mark hasse's murder in january? >> i mean, obviously after mark was hurt, concern went up greatly. my parents were more concerned for their friends and their co-workers than they were themselves. that's just how they were. that was the kind of people that they were. and you know, this was unthinkable and unexpected, and they were taken from us too soon. a lot of people hav...