>> RELATED: El Paso Walmart shooting: 22 dead, dozens injured
On August 3, a gunman opened fire inside a Walmart in El Paso, Texas, killing 22 people and injuring dozens.
>> RELATED: Dayton shooting: 9 dead, but police chief says toll could have been 'catastrophic'
On August 4, a gunman opened fire at Dayton’s Oregon District, killing nine people and injuring 17 others.
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