A man was arrested by authorities on Monday and is being held for questioning in Altoona, Pennsylvania, in connection with the assassination of UnitedHealthcare CEO Brian Thompson. The man nabbed by police in Pennsylvania has a similar gun to the one used by the assassin, ABC News reported, citing law enforcement sources. The New York Post reported that the man also had a silencer and four fake IDs. NYPD detectives are heading to Altoona, which is about 275 miles from New York City. Local police received a tip about the man when he was at a McDonald’s. A senior law enforcement official told The New York Times that the man detained by police showed officers the same fake New Jersey ID used by a person of interest in the case who checked into a Manhattan hostel on November 24. The man arrested at the Altoona McDonald’s also had a written manifesto on him that criticized healthcare companies, a senior law enforcement official told the Times. He was arrested in Altoona on firearms charges. According to the Times, a senior law enforcement official said that the man arrested in Pennsylvania arrived in Altoona on a Greyhound bus. The person of interest sought by police is also believed to have arrived in New York City on a Greyhound before Thompson was assassinated. Police released surveillance photos of the person of interest smiling in the lobby of the hostel where the individual stayed before Thompson was killed. Thompson was gunned down last Wednesday morning by a masked assassin in dark clothing and wearing a “distinctive” gray backpack. Initially, authorities said that shell casings recovered by detectives at the scene of the CEO’s assassination had the words “deny,” “defend,” and “depose” written on them. According to NBC News, however, police clarified on Friday that the shell casings it was “delay,” not “defend,” written along with “deny” and “depose.” UnitedHealthcare is a subsidiary of UnitedHealth Group, the largest healthcare company in the world. The killer was seen on surveillance fleeing the scene of the assassination on foot before getting on a bike and riding into Central Park. Police recovered what they believed to be the assassin’s backpack in Central Park on Friday night. On Saturday, NYPD released additional images showing a “person of interest wanted for questioning” in connection to the assassination. In the new photos, a person wearing a medical mask is seen in what appears to be the back of a taxi cab. CHECK OUT THE DAILY WIRE HOLIDAY GIFT GUIDE ?UPDATE: Below are photos of a person of interest wanted for questioning regarding the Midtown Manhattan homicide on Dec. 4. The full investigative efforts of the NYPD are continuing, and we are asking for the public’s help—if you have any information about this case, call the… https://t.co/U4wlUquumf pic.twitter.com/243V0tBZOr — NYPD NEWS (@NYPDnews) December 8, 2024 Authorities said on Friday that the assassin likely fled the city on a bus after killing Thompson.