Police are looking for a man who they believe shot and killed two men Sunday night in an East Flatbush apartment building. Meanwhile, Matthew Perry fans have been flocking his apartment building to pay their respects after the actor died Saturday. Plus, It’s migratory bird season, and ecologists are cataloging the large number of avian species that make pit stops in New York City; including in an unexpected place on Manhattan’s far west side. WNYC's Rosemary Misdary takes a look into how innovative infrastructure can help protect against climate disasters.