The next year, seizures rose to nearly $5 million and then peaked at $12.1 million in 2011. In 2016, customs officers at Arizona ports seized $960,000, a 92 percent drop from the peak in 2011.

Endo International is the latest drugmaker to file for chapter 11 bankruptcy protection in connection with opioid litigation in the US, after agreeing a $6 billion deal with creditors that ...