Authorities say Paul Ciancia, 23, pulled a semi-automatic rifle from a bag and shot his way past a security checkpoint at Los Angeles International Airport on Friday, Nov. 1, 2013, killing a security officer and wounding other people. Mr. Ciancia was injured in a shootout and was taken into custody, police said. (AP Photo/FBI)

Authorities say Paul Ciancia, 23, pulled a semi-automatic rifle from a bag and shot his way past a security checkpoint at Los Angeles International Airport on Friday, Nov. 1, 2013, killing a security officer and wounding other people. Mr. Ciancia was injured in a shootout and was taken into custody, police said. (AP Photo/FBI)