Security Tells Woman Isulin Vial Was An Explosives Risk. Aaron Nieman is frustrated, after his pregnant wife's insulin and ice packs were confiscated by TSA screeners at Denver International Airport on Thursday afternoon. The couple has traveled around the world with her supplies and have never encountered any troubles before. "It made me feel upset and made me feel somewhat helpless," he said. His wife is traveling alone to a baby shower in Phoenix. She asked us not to use her name for fear of security and retaliation for speaking out.