The man accused of killing four people in a Manhattan office shooting on Monday left a note claiming he suffered from a brain disease linked to head trauma and blaming the National Football League (NFL).Shane Tamura, 27, died by suicide on Monday after allegedly opening fire inside 345 Park Avenue. NFL headquarters are located in the building, along with other companies. .Ontario Human Rights Tribunal dismissed Jessica Yaniv’s complaint against Canada Galaxy Pageants.Police sources told ABC News a note found in Tamura’s pocket stated he had chronic traumatic encephalopathy (CTE). Tamura asked for his brain to be studied.The note also referenced the NFL, police confirmed. .New York City Mayor Eric Adams stated publicly the suspect appeared to blame the league. "He appeared to have blamed the NFL for his injury," Adams told CBS News. Investigators believe Tamura intended to target the NFL offices but took the wrong elevator. .MAGA Christian artist Sean Feucht plans Alberta legislature concert, Senator calls it ‘hate’."He took the wrong elevator bank up to the NFL headquarters," said Adams. "Instead, it took him to Rudin Management, and that is where he carried out additional shootings."Authorities confirmed Tamura died by suicide on the building's thirty-third floor, within the Rudin Management offices. .A fifth victim was critically injured and underwent surgery. That person was reported in stable condition this morning.New York Police Department (NYPD) has identified the off-duty officer who was killed while attempting to stop a shooting in Midtown Manhattan as Didarul Islam, 36, He was a Bangladeshi immigrant and a four year veteran of the NYPD. Officer Islam is survived by his wife, who is currently eight months pregnant, and two children..After learning of the death of his son, Islam father had a stroke and needed to be hospitalized. Islam's pregnant wife was also taken to the hospital for monitoring..Christian singer Sean Feucht faces permit delays in Manitoba, claims religious discrimination.CTE is a brain disease associated with repeated head impacts. It is often found in military veterans and athletes like football players, hockey players, and boxers. Doctors cannot definitively diagnose CTE in living people. .They can only suspect it based on symptoms and a history of head trauma. Confirmation requires a specialized autopsy after death. Researchers look for specific changes involving a protein called tau in the brain. .US hikes softwood lumber duties by 20.56%.Symptoms, including memory loss, confusion, mood swings, and thinking problems, often appear years after the trauma.Police sources revealed Tamura had a documented mental health history. .Law enforcement said he experienced two mental health crisis holds in Nevada. These occurred in 2022 and 2024. Such holds allow authorities to detain someone for up to 72 hours if they are considered a danger. .Federal gov’t transitions asylum seekers from hotels to community housing.Tamura obtained a concealed carry weapon (CCW) licence in Nevada in 2022 and had a previous arrest in the state for trespassing. The investigation into the deadly shooting continues.