What we know about the Manhattan office building shooting

Five people are dead, including a New York Police Department officer, after a shooting at a Manhattan office building Monday evening.Here’s what we know and don’t know so far:What we knowFour people were shot and killed, including an NYPD officer.A fifth person is in critical condition, and four others were being treated with minor injuries.The fallen NYPD officer was identified as Didarul Islam.The alleged shooter, identified as Shane Tamura of Nevada, is also dead from a self-inflicted gunshot wound.Officials said Tamura had a “documented mental health history.”345 Park Avenue, the building where the shooting took place, houses offices for the investment firm BlackRock and the NFL. It is located about a mile from Times Square.A rifle case, a revolver, a backpack and medication were found inside a vehicle driven by Tamura, which was parked near the crime scene.Officials said Tamura had driven cross-country from Nevada to New York.Officials said Tamura used an M4 rifle during the shooting.What we don’t knowOfficials have not determined a motive. They also do not know why that building was targeted.Officials did not specify the type of medication that was found in Tamura’s vehicle or his precise mental health history.This is a developing story. Check back for updates.

Five people are dead, including a New York Police Department officer, after a shooting at a Manhattan office building Monday evening.

Here’s what we know and don’t know so far:

What we know

• Four people were shot and killed, including an NYPD officer.
• A fifth person is in critical condition, and four others were being treated with minor injuries.
• The fallen NYPD officer was identified as Didarul Islam.
• The alleged shooter, identified as Shane Tamura of Nevada, is also dead from a self-inflicted gunshot wound.
• Officials said Tamura had a “documented mental health history.”
• 345 Park Avenue, the building where the shooting took place, houses offices for the investment firm BlackRock and the NFL. It is located about a mile from Times Square.
• A rifle case, a revolver, a backpack and medication were found inside a vehicle driven by Tamura, which was parked near the crime scene.
• Officials said Tamura had driven cross-country from Nevada to New York.
• Officials said Tamura used an M4 rifle during the shooting.

What we don’t know

• Officials have not determined a motive. They also do not know why that building was targeted.
• Officials did not specify the type of medication that was found in Tamura’s vehicle or his precise mental health history.

This is a developing story. Check back for updates.