The man who drove his car into a crowded sidewalk in Times Square on Thursday was high on synthetic marijuana, known on the street as K2, according to ABC News.

Richard Rojas, 26, plowed down three city blocks, killing an 18-year-old woman and injuring at least 22 others in what appears to have been a drug-fueled rampage.

Rojas, a Navy veteran from the Bronx, has been arrested twice in the past for drunken driving -- in 2008 and 2015.

23 PHOTOS Car strikes pedestrians in Times Square See Gallery Car strikes pedestrians in Times Square NEW YORK, USA - MAY 18: Flames and smoke rises from a wrecked vehicle after it plowed into pedestrians on a busy sidewalk on the corner of West 45th St. and Broadway at Times Square, New York, NY United States on May 18, 2017. Multiple pedestrians were struck Thursday by a speeding vehicle in the heart of New York City, according to reports. At least 13 people wounded. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images) Richard Rojas is escorted from the 7th precinct by New York City Police officers after being processed in connection with the speeding vehicle that struck pedestrians on a sidewalk in Times Square in New York City, U.S., May 18, 2017. REUTERS/Stephanie Keith An injured woman lays on the sidewalk in Times Square after a speeding vehicle struck pedestirans on the sidewalk inn New York City, U.S., May 18, 2017. REUTERS/Mike Segar TPX IMAGES OF THE DAY A photo of victim Alyssa Elsman of Portage, Michigan is posted on a baricade in Times Square May 19, 2017, the morning after Richard Rojas crashed his car into a a crowd of pedestrians in New York's Times Square killing one and injuring 22 people. A US Navy veteran who plowed a car into pedestrians in New York's Times Square, killing a woman and injuring 22 other people, has been charged with murder and attempted murder, police said Friday. / AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) First responders are at the scene as people help injured pedestrians after a vehicle struck pedestrians on a sidewalk in Times Square in New York, U.S., May 18, 2017. REUTERS/Jeremy Schultz First responders and people help injured pedestrians after a vehicle struck pedestrians on a sidewalk in Times Square in New York, U.S., May 18, 2017. REUTERS/Jeremy Schultz ATTENTION EDITORS - VISUALS COVERAGE OF SCENES OF INJURY An injured man is seen on the sidewalk in Times Square after a speeding vehicle struck pedestrians on the sidewalk in New York City, U.S., May 18, 2017. REUTERS/Mike Segar First responders are assisting injured pedestrians after a vehicle struck pedestrians on a sidewalk in Times Square in New York, U.S., May 18, 2017. REUTERS/Jeremy Schultz An injured woman is seen on the sidewalk in Times Square after a speeding vehicle struck pedestrians on the sidewalk inn New York City, U.S., May 18, 2017. REUTERS/Mike Segar ATTENTION EDITORS - VISUALS COVERAGE OF SCENES OF INJURY An injured man is seen on the sidewalk in Times Square after a speeding vehicle struck pedestrians on the sidewalk in New York City, U.S., May 18, 2017. REUTERS/Mike Segar First responders tend to an injured pedestrian after a vehicle struck pedestrians on a sidewalk in Times Square in New York, U.S., May 18, 2017. REUTERS/Lucas Jackson A woman attends to an injured man on the sidewalk in Times Square after a speeding vehicle struck pedestrians on the sidewalk in New York City, U.S., May 18, 2017. REUTERS/Mike Segar TPX IMAGES OF THE DAY ATTENTION EDITORS - VISUALS COVERAGE OF SCENES OF DEATH OR INJURY A body of a deceased person lies covered on the sidewalk in front of the 3 Times Sq building in Times Square after a speeding vehicle struck pedestrians on the sidewalk in New York City, U.S., May 18, 2017. REUTERS/Mike Segar TEMPLATE OUT Police investigate the vehicle that drove onto sidewalk and struck pedestrians in Times Square in New York, U.S., May 18, 2017. REUTERS/Lucas Jackson NEW YORK, NY - MAY 18: A wrecked car sits in the intersection of 45th and Broadway in Times Square, May 18, 2017 in New York City. According to reports there were multiple injuries and one fatality after the car plowed into a crowd of people. (Photo by Drew Angerer/Getty Images) NEW YORK, USA - MAY 18: A wounded civilian is being hospitalized after a maroon sedan vehicle plowed into pedestrians on a busy sidewalk on the corner of West 45th St. and Broadway at Times Square, New York, NY United States on May 18, 2017. Multiple pedestrians were struck Thursday by a speeding vehicle in the heart of New York City, according to reports. At least 13 people wounded. (Photo by Volkan Furuncu/Anadolu Agency/Getty Images) New York City Police Department (NYPD) officers stand near newly erected concrete barricades outside the 3 Times Square building in Times Square where a speeding vehicle struck pedestrians Thursday in New York City, U.S., May 19, 2017. REUTERS/Mike Segar A vehicle that struck pedestrians and later crashed is seen on the sidewalk in Times Square in New York City, U.S., May 18, 2017. REUTERS/Mike Segar TPX IMAGES OF THE DAY People walk between newly erected concrete barricades outside the 3 Times Square building in Times Square where a speeding vehicle struck pedestrians Thursday in New York City, U.S., May 19, 2017. REUTERS/Mike Segar Emergency personnel inspect a vehicle involved in striking a number of pedestrians in Times Square in New York, May 18, 2017. REUTERS/Lucas Jackson TPX IMAGES OF THE DAY Richard Rojas is escorted from the 7th precinct by New York City Police officers after being processed in connection with the speeding vehicle that struck pedestrians on a sidewalk in Times Square in New York City, U.S., May 18, 2017. REUTERS/Stephanie Keith A photo of victim Alyssa Elsman of Portage, Michigan is posted on a baricade in Times Square May 19, 2017, the morning after Richard Rojas crashed his car into a a crowd of pedestrians in New York's Times Square killing one and injuring 22 people. A US Navy veteran who plowed a car into pedestrians in New York's Times Square, killing a woman and injuring 22 other people, has been charged with murder and attempted murder, police said Friday. / AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) Up Next See Gallery Discover More Like This HIDE CAPTION SHOW CAPTION of SEE ALL BACK TO SLIDE

SEE MORE: Since 2013, the US has lost more lives to drug overdoses than firearms

There was "no indication" it was an act of terrorism, Mayor Bill de Blasio told a news conference at the scene.

Authorities investigating the scene found materials that indicated Rojas has an interest in Scientology. He also told police that "This was the last day on Earth," according to New York Daily News.

K2, also known as Spice, has been known to create "zombie-like" symptoms in some consumers and has been responsible for hundreds of overdoses in the New York City area in recent years, including more than 130 people in a span of a few days in 2016.

The drug is typically a mix of herbs and chemicals.

SEE MORE: Video shows apparent mass K2 overdose that hospitalized dozens

(Reuters contributed to this report)

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