Trip Wire Set News Today

>> tucker: a serial bomber is terrorizing the city of austin, texas. a trip wire set off a bomb. fourth bombing in three weeks. terry turchie is director of counter terrorism. thanks for coming on. >> thank you, tucker. >> tucker: from what we know about these explosions is there anything that connects them, a theme. >> well, i dont think we know of a theme that connects them. right now the best information, tucker, were going to have is the forensic aspect of them. thats whats going to help us ...