1. Nov 2, 2017 2:07 PM EDT: Police on Thursday afternoon released 47-year-old Scott Ostrem's mug shot after his arrest in connection with a shooting at Colorado Walmart that left three people dead.
  2. Nov 2, 2017 11:06 AM EDT: A tip from the public on Thursday morning led police to the man suspected of opening fire on people at a Colorado Walmart one night earlier, killing three people.
  3. Police said they found 47-year-old Scott Ostrem near his home early Thursday, less than two hours after they identified him as the suspect in the shooting. KDVR reported he was apprehended by a SWAT team in Adams County.
  4. He was taken into custody without incident, Thornton police spokesman Victor Avila said Thursday morning.
  5. Police continue to investigate the motive behind the attack. It was not immediately clear whether Ostrem knew the people killed.
  6. "This is a very heinous act," Avila said. "We don't know exactly what the motive of the person was, but it was certainly a terrible act."
  7. Authorities described "mass chaos" when a gunman opened fire at the Walmart at 9900 Grant Street on Wednesday night.
  8. "We've got people leaving, we've got cars leaving ... there (were) people running everywhere," Avila said.
  9. Police continue to investigate.
  10. Nov 2, 2017 10:16 AM EDT: A suspect wanted in connection to a shooting that left three people dead in Colorado has been apprehended, according to police.
  11. Scott Ostrem, 47, was taken into custody on Thursday morning.
  12. Nov 2, 2017 9:35 AM EDT: Police identified a man wanted in connection with the shooting deaths of three people at a Colorado Walmart as 47-year-old Scott Ostrem.
  13. Nov. 2, 2017 2:00 AM EDT: A third person has died after a shooting at a Walmart in Thornton, Colorado, near Denver.

    According to The Associated Press, a woman died at the hospital after a man "nonchalantly entered the store and fired a handgun into a group of people before fleeing in a car." Two men died at the Walmart, authorities said.

    Police described the suspect as a white man in maroon shirt, black jacket and blue jeans, KMGH reported. He was driving a red Mitsubishi Mirage, authorities said.
  14. ORIGINAL STORY: Reports of a shooting at a Walmart in Thornton, a town 12 miles north of Denver, resulted in a massive police response Wednesday night.

    Thornton police said on social media that there were "multiple parties down."

    Police have since announced that the situation is no longer an active shooting, but is still an active crime scene.
  15. According to The Denver Channel, two men were killed in the shooting and a woman was critically injured. Police are reportedly looking for two male suspects.

    One witness said someone was arrested, according to The Denver Post.
  16. Investigators have not released any details about the circumstances of the shooting or the condition of the injured woman.
  17. Earlier, police said in a tweet that they were responding to a shooting at a Walmart with "multiple parties down."
  18. Special agents with the Bureau of Alcohol, Tobacco, Firearms and Explosives are headed to the scene to help police.