Why did a 23-year-old return to the Catholic school they attended and open fire on children at prayer, killing an 8-year-old and a 10-year-old and injuring 18 others? NewsNation’s Brian Entin has new details on the shooter’s motive and his strained relationship with his mother, who has now hired a lawyer after initially refusing to cooperate with police. Retired FBI Supervisory Special Agent James Gagliano and NewsNation legal contributor Jesse Weber discuss the case. Chris Cuomo hosts "CUOMO," a no-nonsense show featuring the day's most important news from all perspectives. "CUOMO" airs weeknights at 8p/7C on NewsNation. #CUOMO 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