Which detail from the passage best explains how Welles crowthers mother realized that the survivors were describing her son

He ran up and down flights of stairs guiding strangers to safety
Welles crowthers died when the south tower collapsed
He always carried a red bandana in his pocket
Welles crowthers worked on the 104th floor of the south tower

The detail from the passage that best explains how Welles Crowthers' mother realized that the survivors were describing her son is "He always carried a red bandana in his pocket." This indicates that the survivors recognized Welles based on the description of someone wearing a red bandana and knew that it was him.

The detail from the passage that best explains how Welles Crowther's mother realized that the survivors were describing her son is: "He always carried a red bandana in his pocket."

The detail from the passage that best explains how Welles Crowther's mother realized that the survivors were describing her son is: "He always carried a red bandana in his pocket." The red bandana was a significant personal item that Welles Crowther always carried with him, and it became a recognizable symbol of his heroism and selflessness during the 9/11 attacks. When survivors mentioned the man with the red bandana helping them to safety, it triggered a recognition in his mother's mind that it was indeed her son who had been there in the midst of the chaos, saving lives. This detail serves as a key identifier and connecting point between the survivors' accounts and Welles Crowther, leading his mother to realize that they were describing her son.