A psychiatric expert in the trial of Daniel Penny, the former Marine accused of fatally choking Jordan Neely on a subway last year, called Neely’s paranoid schizophrenia one of the most severe cases he’d ever seen. Meanwhile, New York City's limits on shelter stays for migrants faced scrutiny during a City Council oversight hearing on Tuesday. Also, the suspect in a series of fatal stabbings earlier this week in Manhattan is undergoing a psychiatric evaluation. AS WNYC’s Brittany Kriegstein reports, the case is raising questions about the intersection of public safety, mental health, and homelessness. Finally, wildfire smoke continues to impact air quality across the region. We hear from Dr. Barbara Mann, a pulmonologist at Mount Sinai, about the health risks.