小孩子丢了学校责任重大，这培训太难了。
Back-to-school preparations for the academic year that began Thursday in Los Angeles were like no other — and more ominous.
One teacher training explained how to recognize various types of federal officers who handle immigration arrests or "kidnappings," as participants were told — and also how to distinguish between these officers and bounty hunters wearing cop gear purchased on Amazon.
"All of the agencies are masked, and all of them refuse to identify themselves, right?" said the presenter at the headquarters of the United Teachers Los Angeles union, which hosted the training. "That's what we've experienced on the ground."
