losses. my son glen was killed while buying bagels and coffee in a local store. my son was shot and murdered. i was mugged and shot by 16-year-olds. my daughter was shot twice in the back of the head on april 16, 2007 at the virginia tech tragedy. i lost my daughter on mother s day, something has to be done. reporter: martin luther king also spoke out about losing his father to gun violence. the reverend was just 10 years old at that time. police are on high alert at transportation hubs all over russia following a deadly explosion at moscow s airport. the russian president blamed the attack on terrorists. investigators suspect a suicide bomber set off the explosives inside the international arrival toll at that airport. it s russia s largest. at least 35 people were killed, 130 others are hurt. set the scene for me now, what s happening at the airport as we