CEO killer’s plan took ‘such dedication’: Ret. NYPD officer urges public to help amid manhunt

The New York Police Department has encouraged city residents to contact the department should they know the whereabouts of the person who killed UnitedHealthcare CEO Brian Thompson. NBC’s Priscilla Thompson and Tom Winter, and retired NYPD officer Jillian Snider join Peter Alexander to discuss the latest developments and the lengths to which the person planned the attack.