New York City police Commissioner Jessica Tisch identified the suspect in an elderly couple's deaths as 42-year-old Jamel McGriff, who is considered to be armed and dangerous and has a criminal history spanning 30 years. Retired New York City detective David Sarni breaks down the case on "NewsNation Live." #NewYork #Crime #Manhunt Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live with Marni Hughes." Weekdays starting at 9a/8C.#NewsNationLive NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij