NYPD have released a photo of a person of interest in the Brooklyn subway shooting.
Frank James is described as someone they want to speak to regarding the attack.
'We do not know if he has any connection to the subway shooting,' the police said.
They said James has addresses in Philadelphia and Wisconsin.
The suspect and James remain on the loose hours after opening fire on a busy northbound N train as it approached 36th Street in Sunset Park.
NYPD are hunting for Frank James, suspected of carrying out the Brooklyn subway shooting
Investigators believe they know who the gunman is, having identified the suspect after finding a credit card at the scene that was also used to rent the U-Haul cargo van, two law enforcement sources told CNN.
A federal law enforcement source told Newsweek the suspect was the previously known to the FBI, having been entered into the Guardian Lead system in New Mexico.
The system is the FBI's way of coordinating information from other law enforcement partners about potential terrorism-related threats and suspicious activity reports.
He was cleared after multiple interviews in 2019.
The federal law enforcement source said that he is believed to have driven to New York from New Mexico.
The FBI has now joined the hunt for him and armed police units are patrolling Brooklyn for any clue of his whereabouts.
NYPD has located the U-Haul believed to have been used in Tuesday morning's subway shooting abandoned in the street in Brooklyn, five miles from the scene of the crime.
DailyMail.com obtained an alert that was issued to officers telling them that the suspect is connected to a U-Haul with an Arizona license plate AL31408.
Police sources tell DailyMail.com the van was rented in Philadelphia. U-Haul is now helping with the search.
The U-Haul was located late on Tuesday afternoon near Kings Avenue in Brooklyn, but there is still no sign of the suspect.
Police evacuated people from the immediate area after the van's discovery.
'Police came for the van and told us to clear the store,' said the manager of nearby King's Piano World on Kings Highway.
He told DailyMail.com: 'Police blocked off the area. People were told not to walk in the area. They told us it was dangerous.'
The rental agreement obtained by CNN shows that the U-Haul reservation was made on April 6, and was scheduled to be picked up on April 11 at 2:01 p.m. ET.
The van was supposed to be rented for two days, according to the reservation.
Sebastien Reyes, U-Haul Vice President of Communications, said: 'Law enforcement has alerted us to its search for a rental van and its possible connection to a suspect in today's incident in New York City.
'We are working closely with authorities to ensure they have any and all available information to meet their needs.'
There is a heightened police presence all over the city, particularly on the subway, and some schools in Brooklyn have been told to shelter in place.
Witnesses have described how the gunman calmly put on a gas mask on the slow-moving train this morning at 8.24am then tossed a smoke grenade down the carriage, causing havoc among commuters, before opening fire.
The terrified commuters rushed to the other end of the train to try to get through to the next car but the door was locked. They were trapped on the train until it reached the next station.
Video shows the moment the doors opened and wounded passengers spilled onto the platform, trailing blood.
DailyMail.com can confirm that a .380 handgun was found inside the station, along with three extended magazines; one was empty, one was full and a third was jammed in the gun.
Another bag was discovered that contained a batch of Falcon Rising fireworks and Seismic Wave firecrackers. It's unclear what he intended to do with them.
The gunman then disappeared from 36th St, where no security cameras were in operation.
Eric Adams, the mayor of New York, told WCBS Radio 880 AM that a preliminary review indicates there appeared to be some sort of malfunction with the camera system at the subway station in Tuesday's shooting.
Adams said investigators are trying to determine whether one camera malfunctioned or whether cameras throughout the entire station malfunctioned.
Janno Lieber, the chair and CEO of the Metro Transportation Authority (MTA), told CNN there are almost 10,000 cameras in the system including almost 600 cameras on the Brooklyn section of where the attack happened.
He did not comment on why they were not working.
The U-Haul that police believe is connected to the Brooklyn subway shooter is shown on Tuesday at 1780 West Third Street near King's Highway in Brooklyn, five miles from the subway station where the attack took place. A bomb squad is at the scene
The U-Haul, shown behind police tape, was rented in Philadelphia. It's unclear if there are explosives inside
NYPD officers received this alert on Tuesday alerting them to a U-Haul that the suspect may be driving. NYPD officers received this alert on Tuesday alerting them to a U-Haul that the suspect may be driving. The van was rented in Philadelphia but has Arizona plates
The U-Haul van connected to the suspect is pictured on Tuesday afternoon, five miles from the scene of the subway shooting
U-Haul is helping the FBI and NYPD with their investigations. Police believe to have identified the suspect thanks to a credit card left at the scene, and one given to U-Haul
This bag of fireworks, wire and firecrackers was recovered from the scene of the shooting on Tuesday after the suspect fled
The bag was filled with Falcon Rising fireworks and Seismic Wave Crackers that can easily be purchased online
He may also have jumped onto one of the other trains at the station, or fled into the subway tunnel.
It comes amid a frightening spike in crime across the city, particularly on the subway where crimes are up by more than 60 percent from this time last year.
The worst mass shooting in New York's transit system was in December 1993, when Colin Ferguson opened fire on a Long Island Rail Road commuter train from New York City, killing six and injuring 19.
Other train passengers stopped the perpetrator by tackling and holding him down. Mentally unstable, he fired his lawyers then called for President Bill Clinton to appear at his trial, and was sentenced to six life sentences.
ABC reports that police have obtained a photograph of the suspect from a bystander's phone, but that image has not yet been released anywhere.
The wounded and terrified commuters poured out of the subway doors and onto the platform at 36th Street, where they were filmed writhing on the ground in agony.
The gunman remains at large ten hours after the shooting.
NYPD units are now scouring the city's empty subway tunnels to find the suspect and a city alert has been issued. but ten hours later, police are yet to release a single image of him.
Commissioner Keechant Sewell said at a press conference that she had not yet ruled out terrorism as a motive but that it was not being investigated as an act of terrorism.
She admitted that police still had not yet been able to identify who the gunman was, much less find him.
Police are now going door-to-door in Brooklyn asking store owners and residents in apartment buildings if they have any videos of the scene from around the time of the shooting in an attempt to find the gunman.
Members of the New York Police Department patrol the streets after 14 were injured - 10 of them shot, four affected by smoke - during a rush-hour shooting at a subway station in the New York borough of Brooklyn on April 12, 2022
This is how the horror shooting unfolded on Tuesday morning on the northbound N train at 8.24am as it approached 36th Street station in Sunset Park, Brooklyn
An FBI agent walks along the sidewalk amidst a massive police response on the scene of a reported multiple shooting at a New York City Subway station in Brooklyn on Tuesday
A .38 caliber handgun similar to the type used in today's shooting
'I am not ruling anything out at this point,' she said, as she asked New Yorkers to send photos, videos or any pieces of information that they thought may be relevant to police.
Adams, who is in quarantine after being diagnosed with COVID-19, said in a video message: 'We will not allow New Yorkers to be terrorized.
'The NYPD is searching for
