New York Police Deputy Commissioner Kaz Daughtry arrives at Altoona Police Department, where a man with a gun thought to be similar to the one used in the killing of UnitedHealthcare CEO Brian Thompson has been taken into police custody for questioning, Monday, Dec. 9, 2024, in Altoona, Pa. (AP Photo/Gene J. Puskar)

NYPD officers in diving suits search a lake in Central Park, Monday, Dec. 9, 2024, in New York. (AP Photo/Yuki Iwamura)

A poster issued by the Federal Bureau of Investigation shows a wanted unknown suspect. (FBI via AP)

McDonald's restaurant, where an employee alerted authorities to a customer who was found with a weapon and writings linking him to the the brazen Manhattan killing of UnitedHealthcare's CEO, Monday, Dec. 9, 2024, in Altoona, Pa. (AP Photo/Gene J. Puskar)

An NYPD police officer and K-9 dog search around a lake in Central Park, Monday, Dec. 9, 2024, in New York. (AP Photo/Yuki Iwamura)

This booking photo released Monday, Dec. 9, 2024, by the Pennsylvania Department of Corrections shows Luigi Mangione, a suspect in the fatal shooting of UnitedHealthcare CEO Brian Thompson. (Pennsylvania Department of Corrections via AP)

Gov. Josh Shapiro, center, speaks during a press conference regarding the arrest of suspect Luigi Mangione, Monday, Dec. 9, 2024, in Hollidaysburg, Pa., in the fatal shooting of UnitedHealthcare CEO Brian Thompson. (AP Photo/Ted Shaffrey)

An NYPD police officer and K-9 dog search around a lake in Central Park, Monday, Dec. 9, 2024, in New York. (AP Photo/Yuki Iwamura)

NYPD officers in diving suits search a lake in Central Park, Monday, Dec. 9, 2024, in New York. (AP Photo/Yuki Iwamura)

Deputy Commissioner of Operations Kaz Daughtry speaks during a press conference regarding the arrest of suspect Luigi Mangione, Monday, Dec. 9, 2024, in Hollidaysburg, Pa., in the fatal shooting of UnitedHealthcare CEO Brian Thompson. (AP Photo/Ted Shaffrey)

NYPD officers in diving suits search a lake in Central Park, Monday, Dec. 9, 2024, in New York. (AP Photo/Yuki Iwamura)

New York Police officers arrive at Altoona Police Department, where a man with a gun thought to be similar to the one used in the killing of UnitedHealthcare CEO Brian Thompson has been taken into police custody for questioning, Monday, Dec. 9, 2024, in Altoona, Pa. (AP Photo/Gene J. Puskar)

NYPD officers in diving suits sit after searching the lake in the Central Park, Monday, Dec. 9, 2024, in New York. (AP Photo/Yuki Iwamura)

NYPD officers and K-9 dog search around a lake in Central Park, Monday, Dec. 9, 2024, in New York. (AP Photo/Yuki Iwamura)

NYPD officers in diving suits search a lake in Central Park, Monday, Dec. 9, 2024, in New York. (AP Photo/Yuki Iwamura)

In this photo taken from video, New York Police chief of detectives Joseph Kenny answers questions during a news conference, Monday, Dec. 9, 2024, in New York. (New York City Mayor's Office via AP)

Altoona Police officer Tyler Frye, center, speaks during a press conference regarding the arrest of suspect Luigi Mangione, Monday, Dec. 9, 2024, in Hollidaysburg, Pa., in the fatal shooting of UnitedHealthcare CEO Brian Thompson. (AP Photo/Ted Shaffrey)

The Altoona Police Department is seen where suspect in the UnitedHealthcare CEO shooting, 26-year old Luigi Mangione is being held Monday, Dec. 9, 2024. (Benjamin B. Braun/Pittsburgh Post-Gazette via AP)