Twenty people were killed and 26 others were wounded after a gunman went on a rampage Saturday at a Walmart in the Texas border town of El Paso, police said. A 21-year-old man was taken into custody after police responded within six minutes to a report of an active shooter at the Cielo Vista Mall.

The suspect, who was captured on surveillance video entering the Walmart, has been identified as 21-year-old Patrick Crusius, CBS News has confirmed. Sergeant Robert Gomez, a police spokesman, said the suspect was taken into custody "without incident" and there was no longer danger to the public.  

Police Chief Greg Allen referenced a document allegedly left behind by the suspect. He said the shooting may have a "nexus" to a hate crime but declined to elaborate. He said police are considering capital murder charges.

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Law enforcement sources tell CBS News this is a surveillance video image of the gunman walking into the Walmart.  CBS

 

Gomez said he thinks most of the victims were shot at the Walmart in the shopping complex. He said the store was packed with as many as 3,000 people during the busy back-to-school shopping season.

Earlier, El Paso police tweeted they had received reports of "multiple shooters" but they later said they did not believe there was more than one gunman. Police also said reports of a shooting at another location were "false."  

University of Medical Center of El Paso told CBS News it had also received 11 shooting victims, including one who died. They said a 4-month-old child was among the patients it was treating. Hospital spokesman Ryan Mielke said all of the victims suffered traumatic injuries in Saturday's attack. He declined to provide additional details about the victims, including the one who died. Mielke said two children, ages 2 and 9, were stabilized at the medical center before being transferred to the neighboring El Paso Children's Hospital.