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.

The front desk worker said Mangione acted skittish and "cagey" when the suspected CEO killer tried to book a room less than a mile from where he later was arrested.

No sooner had authorities swooped in to pick up 26-year-old Luigi Mangione on Monday than reviews referencing rodents and snitches proliferated online.

Police in the the Pennsylvania town where Luigi Mangione was arrested claim they’re being threatened by the alleged assassin’s supporters.

An Altoona, Pennsylvania police department spokesman said there have been threats against officers and others establishments in the town after the arrest of UnitedHealthcare CEO murder suspect Luigi Mangione Tuesday.

Several Altoona, Pennsylvania-based McDonald’s locations have received multiple bad online reviews after an employee tip led to the arrest of Luigi Mangione.

UnitedHealthcare CEO Brian Thompson’s accused killer Luigi Mangione was recognized by an officer in San Francisco days before his arrest thanks to a wanted poster. The San Francisco Chronicle, citing two unidentified sources,

Luigi Mangione, the suspect in the murder of UnitedHealthcare CEO Brian Thompson, was reportedly identified by another police department four days before being arrested.