Unreleased police videos raise a host of additional allegations in the violent arrest of a Middlesex County teen last year and provide a pinhole view into the culture on the Carteret force where officers believed the mayor's police officer brother was protected, according to court documents.

Details of the videos emerged Wednesday in an amended lawsuit against officer Joseph Reiman regarding the May 31, 2017, arrest. However, the additional police body camera and dashboard videos have not been publicly released, and a judge has marked them confidential in the civil case.

NJ Advance Media has not viewed the videos but learned of their contents from the suit that describes at least four police recordings from the arrest and in the hours that followed.

"They know how he is, and they just let him continue," one of the officers can be heard saying about Reiman on one of the recordings, according to the complaint.

Carteret Police officer Joseph Reiman appears in Judge Joseph Paone's courtroom on charges of official misconduct at Middlesex County Superior Court in New Brunswick on Friday, February 9, 2018.

Reiman, 31, the youngest brother of Carteret's longtime mayor, has been charged criminally in the incident in which the prosecutor's office says dashboard videos have confirmed the teen's account, who has not been named because he is juvenile.

The Middlesex County Prosecutor's Office has since released recordings from two police cruisers -- Reiman's and from the second officer on scene, the middle Reiman brother, Charles.

The nighttime videos show much of the encounter, but portions are hard to make out and parts occur outside of the frame.

The pieces of unreleased videos described in the complaint, though, reveal more details of the incident and shed light on Reiman's reputation on the force through apparent candid conversations and statements by officers.

"[The teen] looked like he went 10 round with Mike Tyson," an officer can be heard saying on one of the recordings, according to the suit that alleges several officers participated in the "savage beating," including the other Reiman officer, Charles, and Antonio Dominguez.

Kevin Horn, a special law enforcement officer, allegedly held the teen's arms down as he was being punched, the suit says.

No other officers have been accused of wrongdoing in the arrest.

One officer can be heard on an unreleased video saying, "Joe is just punching the kid in the face and is not attempting at all to get control of his arms... If you look at this kid, this kid is not overpowering Joe," the suit says.

"He was face down in a rock bed. Blood all over the [expletive] place," another officer can be heard saying, according to the suit.

At one point, an officer says, the complaint states, "You're not getting those [expletive] facial injuries from a motor vehicle [accident]."

The lawsuit also alleges the videos capture several officers who "stood by and watched" out of fear that if they stepped in they'd face retribution from the mayor.

"There's people at the scene; you know all the neighbors come out, Joe's cursing and screaming at them," one officer can be heard saying, according to the complaint, which claims that no statements were taken from several witnesses.

In the hours after, officers can be heard discussing the arrest when they "implicate Joseph Reiman in criminal behavior in this incident and prior incidents," according to the lawsuit.

"What do you want to bet they are all sitting around the table . . . trying to get their [expletive] story straight," an officer can be heard saying in one of the unreleased dashboard videos that was still recording while the officers were at the hospital, according to the suit.

The new details in the lawsuit, which was first filed in federal court on June 14, also contradict Mayor Dan Reiman's statements about his involvement in any potential police discipline of his brother.

The mayor said via email Wednesday, despite the daily summary submitted to him detailing police activity and any actions taken by the deputy chief, he has never intervened in police matters for his brother and denied the suit's accusations.

In a statement, the mayor described the lawsuit as financially motivated and said: "This amended lawsuit names everybody and anybody from Donald Duck to Jane Doe and John Q. Public, and it is obviously part of the plaintiff's attorneys plan to extort money from the borough and its insurance company."

The suit says the mayor had referred to his brother as a "scapegoat" during an internal affairs investigation into officer Reiman's excessive force allegations in an attempt to influence both the internal and criminal investigation.

The civil suit alleges: "With the protection of the Carteret Police Department and the Mayor of the Borough of Carteret, Joseph Reiman was allowed to remain on the force, even in the face of multiple excessive force complaints."

Officer Reiman faces three other lawsuits over alleged excessive force during his 23 months on the police department, according to court records.

NJ Advance Media previously reviewed Reiman's use-of-force records and found the officer had accounted for more than a fifth of all arrests involving force. Two of the people featured in that investigation filed suit last year.

William Connell, Reiman's attorney in the civil case, did not return a call for comment.

The teen's attorney, Eric Pennington, confirmed the details in the videos but did not comment further.

NJ Advance Media has not obtained or been able to review the footage due to a judge's order. It previously requested all video records from the borough relating to the incident but was not told of the additional recordings, which only became known through the discovery process in the civil suit.

Charles Reiman and Dominguez used a compliance hold and his hands or fists during the arrest, according to their use-of-force forms obtained through a records request. Horn also responded and used a compliance hold during the encounter, the police records show.

Those officers, as well as six other officers, Mayor Reiman, two EMTs and the borough are named in the suit. A number of other officers had responded to the scene, according to a review of the released dashboard videos.

The suit also alleges the police and EMT documents were changed or not filed to cover up the incident.

The teen said in an interview with NJ Advance Media days after the arrest he was kicked by one of the officers as he was being cuffed. None of the published videos or videos described in the lawsuit capture a kick.

Joseph Reiman has since been suspended. His pay was reinstated last June after a hearing and is currently on the borough's payroll with an annual salary of $49,266. He is also working a job in Perth Amboy doing manual labor, according to his attorney.

Reiman faces charges of aggravated assault and official misconduct, which include accusations of records tampering and failing to turn on his body camera during the incident.

The officer's attorney in his criminal case, Charles Sciarra, has argued that the teenager's injuries occurred in the car crash that ended a brief police pursuit between the unlicensed teen and Reiman.

The state has said the teen's injuries were consistent with an assault, not an accident.

Craig McCarthy may be reached at 732-372-2078 or at CMcCarthy@njadvancemedia.com. Follow him on Twitter @createcraig and on Facebook here. Find NJ.com on Facebook.

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