Health care 23 hours ago New details surface regarding suspect in killing of UnitedHealthcare CEO New details surfaced Tuesday regarding Luigi Mangione, the suspect in the killing of UnitedHealthcare CEO Brian Thompson. NBC Chicago’s Natalie Martinez reports. Local 2:27 Wednesday evening forecast: Frigid temps on tap for overnight hours 1:51 Mr. T, Susana Mendoza partner for delicious meal for Chicago-area seniors 2:00 Cook County Sheriff's Officer offers self-defense classes for seniors 1:59 Orland Park teacher battling cancer gets surprise of a lifetime 3:01 Crowds gather in bitter cold for start of Feast of Our Lady of Guadalupe