John Kuklis, a clerk at the Horseshoe Curve Lodge in Altoona, Pa., told ABC News that Mangione, who never pulled his mask down or identified himself at the hotel, was turned away because there were no clean rooms available.

Luigi Mangione, the 26-year-old Ivy League graduate accused of gunning down UnitedHealthcare CEO Brian Thompson in front of a New York City hotel last week, has retained a private defense attorney in his Pennsylvania gun charges case.

Luigi Mangione, the suspect in United Healthcare CEO Brian Thompson's killing, was arrested Monday in Altoona, Pennsylvania and later charged with murder in the case. CBS News New York's Ali Bauman reports on his capture.