Coroners question excited delirium as cause of police-related deaths

Excited delirium is a medical condition sometimes cited as a cause of death during police interactions, but coroners are starting to question it as an explanation for these sudden deaths. Matt Galloway talks to Melissa Gray, whose brother Myles Gray died after a violent encounter with Vancouver police in 2015; Dr. Alfredo Walker, a forensic pathologist and coroner for eastern Ontario; and Dr. Michael Freeman, an associate professor of forensic medicine and epidemiology at Maastricht University in the Netherlands.