Police arrested a B次元官网网址渟trong person of interestB次元官网网址� Monday in the brazen Manhattan after a quick-thinking McDonaldB次元官网网址檚 employee in Pennsylvania alerted authorities to a customer who was found with a weapon and writings linking him to the ambush.

The suspect, identified by police as 26-year-old Luigi Nicholas Mangione, had a gun believed to be the one used in last WednesdayB次元官网网址檚 shooting of , as well as writings suggesting anger with corporate America, police said.

Mangione was taken into custody about 9:15 a.m. after police got a tip that he was eating at a McDonaldB次元官网网址檚 in Altoona, Pennsylvania, police said.

B次元官网网址淗e is believed to be our person of interest in the brazen, targeted murder of Brian Thompson,B次元官网网址� NYPD Commissioner Jessica Tisch said.

Mangione had clothing and a mask similar to those worn by the shooter and a fraudulent New Jersey ID matching one the suspect used to check into a New York City hostel before the shooting, Tisch said.

NYPD Chief of Detectives Joseph Kenny said Mangione was born and raised in Maryland, has ties to San Francisco and a last known address in Honolulu, Hawaii. A message left Monday with a Philadelphia-area phone number connected to Mangione was not immediately returned.

He was being held in Pennsylvania on gun charges and eventually will be extradited to New York to face charges in connection with ThompsonB次元官网网址檚 death, Kenny said.

Police found a three-page document with writings suggesting that Mangione had B次元官网网址渋ll will toward corporate America,B次元官网网址� Kenny said.

The handwritten document B次元官网网址渟peaks to both his motivation and mindset,B次元官网网址� Tisch said.

Mangione had a ghost gun, a type of weapon that can be assembled at home from parts without a serial number, making them difficult to trace, investigators said.

B次元官网网址淎s of right now the information weB次元官网网址檙e getting from Altoona is that the gun appears to be a ghost gun that may have been made on a 3D printer, capable of firing a 9 mm round,B次元官网网址� Kenny said.

Officers questioned Mangione, who was acting suspiciously and carrying multiple fraudulent IDs, as well as a U.S. passport, Tisch said. Officers found a suppressor, B次元官网网址渂oth consistent with the weapon used in the murder,B次元官网网址� the commissioner said.

NYPD detectives and staff from the Manhattan district attorneyB次元官网网址檚 office were traveling to Altoona to interview Mangione, Kenny said.

Thompson, 50, was killed last Wednesday as he walked alone to a hotel, where UnitedHealthcareB次元官网网址檚 parent company, UnitedHealth Group, was holding its annual investor conference, police said.

The shooter appeared to be B次元官网网址渓ying in wait for several minutesB次元官网网址� before approaching the executive from behind and , police said. He used a 9 mm pistol that police said resembled the guns farmers use to put down animals without causing a loud noise.

Mangione attended an elite Baltimore prep school, graduating as valedictorian in 2016, according to the schoolB次元官网网址檚 website. In his graduation speech, he talked about his classmatesB次元官网网址� B次元官网网址渋ncredible courage to explore the unknown and try new things.B次元官网网址� He praised their collective inventiveness and pioneering mindset.

In the days since the shooting, police turned to the public for help by releasing a collection of nine photos and video B次元官网网址� including footage of the attack, as well as images of the suspect at a Starbucks beforehand.

On Monday, police credited news outlets for disseminating the images and the tipster for recognizing the suspect and calling authorities.

B次元官网网址淟uckily, a citizen in Pennsylvania recognized the subject and called local members of the Altoona Police Department responded to the call, and based on their investigation, they notified the NYPD,B次元官网网址� Kenny said.

Photos taken in the lobby of a hostel on ManhattanB次元官网网址檚 Upper West Side showed the suspect grinning after removing his mask, police said.

Investigators earlier suggested the gunman may have been a disgruntled employee or client of the insurer. Ammunition found near ThompsonB次元官网网址檚 body B次元官网网址渄elay,B次元官网网址� B次元官网网址渄enyB次元官网网址� and B次元官网网址渄epose,B次元官网网址� mimicking a phrase used by .

The gunman concealed his identity with a mask during the shooting yet left a trail of evidence, including a backpack he ditched in Central Park, a cellphone found in a pedestrian plaza and a water bottle and protein bar wrapper that police say he bought at Starbucks minutes before the attack.

On Friday, police that they say the killer discarded as he fled from the crime scene to an uptown bus station, where they believe he left the city on a bus.

using surveillance video, investigators say the shooter fled into Central Park on a bicycle, emerged from the park without his backpack and then ditched the bicycle.

He then walked a couple blocks and got into a taxi, arriving at at the George Washington Bridge Bus Station, which is near the northern tip of Manhattan and offers commuter service to New Jersey and Greyhound routes to Philadelphia, Boston and Washington, Kenny said.

The FBI announced late Friday that it was offering a $50,000 reward for information leading to an arrest and conviction, adding to a reward of up to $10,000 that the NYPD offered.