Violent Extrism News Today

Attacks as the death tom contin toll continues to climb. 52-year-old khalid masood is the attacker. he was a british-born man previously investigated for violent extrism. i arouzi is ba. what is the latest on the investigation and what we have learned about the attack and the attacker himself? >> reporter: well, the investigation seems to be moving at quite a fast pace. the attacker has been named as 52-year-old khalid masood, but in the latest police update we have learned his birth name is adr...