Former NYPD chief of detectives on clues left behind in UnitedHealthcare CEO killing

ABC News’ Linsey Davis spoke with retired NYPD Chief of Detectives Bob Boyce about the potential clues left at the scene of the fatal shooting of UnitedHealthcare CEO Brian Thompson in Manhattan. ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for the latest headlines and alerts: https://abcnews.go.com/devices Watch 24/7 coverage of breaking news and live events on ABC News Live: https://www.youtube.com/watch?v=gN0PZCe-kwQ&ab_channel=ABCNews Watch full episodes of World News Tonight with David Muir here: https://youtube.com/playlist?list=PLQOa26lW-uI8ixlVw1NWu_l4Eh8iZW_qN&feature=shared Read ABC News reports online: http://abcnews.go.com ABC News is the home to the #1 evening newscast “World News Tonight with David Muir," “Good Morning America,” “20/20,” “Nightline,” “This Week” with George Stephanopoulos, “ABC News Live Prime” with Linsey Davis, plus the daily news podcast “Start Here.” Connect with ABC News on social media: WhatsApp: https://whatsapp.com/channel/0029VajTNakKWEKkXoAPIR11 Facebook: https://www.facebook.com/ABCNews Instagram: https://www.instagram.com/abcnews TikTok: https://www.tiktok.com/@abcnews X: https://twitter.com/ABC Threads: https://www.threads.net/@abcnews LinkedIn: https://www.linkedin.com/company/abcnews