Four people were killed and a fifth was injured in a mass shooting at a Midtown Manhattan office building on Monday.

Rep. Nicole Malliotakis spoke with Fox News Digital after the deadly shooting that left multiple people including a police officer dead.

Four people were killed, including an off-duty New York City police officer, when a gunman opened fire in an office tower before fatally shooting himself, officials said.

The attacker reportedly drove cross-country from Las Vegas to New York in the days leading up to the shooting.

The New York Giants are among those around the NFL community reacting to Monday night's mass shooting in Manhattan.

Bankers and traders returned to work on a somber Tuesday morning in Midtown Manhattan, New York's financial epicenter, one day after a shooting that killed several people, including a senior Blackstone executive.

Shane Tamura, the suspect in the deadly shooting in Midtown Manhattan, carried a note in his pocket claiming he suffered from CTE and also made references to the NFL, police sources told ABC News.

A frequent Fox News guest, who touts himself as a law enforcement expert due to his brief tenure with the New York Police Department, groused that “bystander apathy” led to the deaths of four people in a deadly Manhattan shooting Monday, urging citizens to “deputize” themselves and confront gun-wielding suspects.