know. go back and review video on cell phones if you were here today to see if there is anything peculiar because whoever did this will be caught on either surveillance cameras or somebody's cameras. there are so many cameras around here. katheryn, thank you. >> thank you, greta. >> neal joins us by phone. he was running today. kneel, where were you when the explosion happened and tell me what you saw. >> hi, greta. thanks for having me on tonight, appreciate it. obviously first my thoughts and prayers go out to everyone involved today. we are a close running family. there were 27,000 people running today. those of us who are crazy enough to run these distance events, not all 27,000, we know, but certainly we all get to know each other over a period of time. we do know some folks that were hurt and we pray for them this