On Monday, a man armed with an AR-15 rifle intervened in an argument where someone had been stabbed, forcing the assailant to flee and later be captured by police.
Dave Thomas was prompted by seeing someone with a knife stab another person at an apartment building on Harbor Drive in Oswego Township in Illinois. Thomas dashed to his home, thought about grabbing his handgun, but chose his AR-15, then returned to the apartment and ordered the assailant to stop. He recalled later:
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