The Latest: El Paso mayor says Trump called him a 'RINO'

Police in El Paso are trying to identify a man who they say saved several lives during the mass shooting earlier this month at a Walmart

EL PASO, Texas -- The Latest on the aftermath of a shooting that killed 22 people in El Paso, Texas (all times local):

4:45 p.m.

The mayor of El Paso says President Trump called him a derisive term for Republicans deemed insufficiently conservative during a visit to the grieving city last week.

Mayor Dee Margo told PBS's "Frontline" in an interview published Wednesday that Trump called him a "RINO" in a private conversation after the president paid his respects to the victims of the shooting that killed 22 people and wounded dozens more. The term stands for "Republican in Name Only."

Margo says Trump made the comment after he corrected the president's "misinformation" about the border city's violent crime rate. The pair has sparred over the issue before.

In February, Trump falsely suggested a border barrier caused a sharp drop in El Paso's crime. The city's murder rate was actually less than half the national average in 2005, the year before the border fence was erected.

The White House did not immediately respond to a request for comment

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1:45 p.m.

Police in El Paso are trying to identify a man who they say saved several lives during the mass shooting earlier this month at a Walmart.

El Paso police on Thursday shared a surveillance camera photo of the man, saying that he's considered a "hero" and that authorities need to interview him. Police said on Twitter that the man's actions were "critical and lifesaving" and that he's believed to have saved many lives during the shooting, including an infant's.

El Paso Police Sgt. Enrique Carrillo says police are not releasing details of what the man did because that information is needed to verify his identity.

Police say a gunman has confessed to targeting Mexicans in the Aug. 3 attack in which 22 people were killed.