
A resurfaced television segment from 2017 has given the public an unexpected window into the early life of Cole Tomas Allen, the 31-year-old California man accused of opening fire at the White House Correspondents' Dinner on 26 April 2026. In the clip, Allen is heard calmly explaining a wheelchair emergency brake prototype he had designed as an undergraduate student at the California Institute of Technology, a stark image that has circulated widely online since his arrest.
The footage, which originally aired on ABC7 Los Angeles on 13 March 2017, was filmed at the 'Aging into the Future' conference, an event organised by St Barnabas Senior Services and held at the Los Angeles Convention Center. Allen, then a senior mechanical engineering student at Caltech, attended as an undergraduate inventor representing the university.