Luigi Mangione, the man accused of the UnitedHealthcare CEO’s murder, may have played a role in inspiring the deadly attack on NFL headquarters in New York City last month, as stated by federal prosecutors in recent court documents.

Mangione’s alleged assassination-style killing of CEO Brian Thompson last year on a Midtown Manhattan street was an attempt to “normalize the use of violence” as a means of achieving political objectives, prosecutors said. They pointed to last month’s mass shooting attack on the NFL headquarters in Midtown as a possible example of this effect.

On July 28, Shane Tamura brought an assault-style rifle to 345 Park Avenue, a location not far from where Mangione is believed to have killed Thompson. Tamura fatally shot four individuals and, akin to Mangione, left writings for investigators to uncover. Tamura, in a letter discovered on his body, blamed the NFL and football for causing Chronic Traumatic Encephalopathy (CTE), a brain disease linked to repeated head trauma, commonly found in military veterans and athletes.

Mangione allegedly inscribed “deny,” “depose,” and “delay” on the bullets used to kill Thompson, according to authorities. Further, in a notebook found post-arrest, Mangione purportedly wrote, “The target is insurance” because “it checks every box.” Prosecutors argue that this act was intended to incite a broader sense of scorn, outrage, or fear towards the health insurance sector.

The government believes Mangione is a continuing danger, as he may seek to influence others towards violence, thus arguing for the imposition of the death penalty. Federal prosecutors are pushing for capital punishment and have urged a federal judge to deny a defense motion requesting additional supporting evidence.

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Prosecutors posit that Mangione is not entitled to further information at this stage of proceedings. They contend that Mangione is already in possession of all necessary evidence, negating any risk of surprise. Mangione has pleaded not guilty to Thompson’s Dec. 4 killing, where he is accused of using a 9 mm handgun, equipped with a silencer, to shoot the CEO several times. He was apprehended in Altoona, Pennsylvania, a few days later.

To conclude, the accused CEO killer possibly influenced a violent attack on the NFL headquarters and the potential implications of his actions. Questions remain unanswered regarding the full scope of Mangione’s influence on others.