Friday was Day 3 in the trial of 35-year-old Kaitlin Armstrong, accused of shooting to death 25-year-old pro cyclist Mo Wilson, possibly out of jealousy due to Wilson's relationship with Armstrong’s then-boyfriend, Colin Strickland, who took the stand Friday. NewsNation correspondent Alex Caprariello has the details from inside the courtroom, while Florida state prosecutor Dave Aronberg and criminal defense attorney Mark Geragos discuss the relevance and significance of Strickland’s testimony. #KaitlinArmstrong #crime #MoWilson Chris Cuomo hosts "CUOMO," a no-nonsense show featuring the day's most important news from all perspectives. "CUOMO" airs weeknights at 8 p.m. ET/ 7 p.m. CT on NewsNation. #CUOMO NewsNation is your source for fact-based, unbiased news for all America. 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