A sudden attack at the Louis Armstrong New Orleans International Airport in Kenner, Louisiana, ended with the death of 63-year-old Richard White. On a Friday evening in March 2015, White approached a security checkpoint and, when asked for his boarding pass, sprayed a TSA agent with wasp killer. He then produced a machete, struck a female TSA agent and chased another. A Jefferson Parish sheriff’s deputy at the checkpoint fired three shots, wounding White. He was taken to a local hospital and was pronounced dead the following afternoon.

Investigators found a bag White had been carrying that contained six Molotov cocktails. A search of his vehicle recovered smoke bombs and tanks of acetylene and oxygen. Authorities reported White had a history of mental health issues and that his family cooperated with the investigation. White was the lone assailant and no other suspects were named.

What details about White’s movements or behavior before he reached the checkpoint might help explain how he planned or prepared for the attack?