EL PASO, Texas (AP) - Latino groups say they'll march through the Texas border city of El Paso a week after a mass shooting that authorities say was carried out by a gunman targeting Mexicans.
  
Organizers said Saturday's march will begin at the port of entry on the U.S.-Mexico border. Mexican officials say eight Mexican nationals were among 22 people killed in last weekend's attack at a Walmart.
  
An El Paso detective said in an arrest affidavit that 21-year-old Patrick Crusius told investigators he targeted Mexicans at the store with an AK-47 rifle. The affidavit says Crusius confessed while surrendering to police.
  
Crusius is charged with capital murder. Federal prosecutors say they're weighing hate-crime charges.
  
The League of United Latin American Citizens' "March for a United America" comes as families are gathering for funerals.

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