article_snippet: Scroll down for video .
article_snippet: He was under the still-standing towers minutes after the two hijacked planes hit them, having rushed down with the then-chief medical examiner, Dr. Charles Hirsch.
article_snippet: As the still-standing towers toppled, minutes after the two hijacked planes hit them, having rushed down with the then-chief medical examiner, Dr. Charles Hirsch were struck and bloodied by falling glass and debris. '