On the front line where 'meth is king'

In the US, Oklahoma is seizing crystal meth in greater quantities than ever before. Although police there have all but stamped out meth production by restricting access to the ingredients, they say they are now seizing cheaper and purer meth from Mexico. Mexican drug cartels began flooding Oklahoma and other parts of the Midwest with their variation of meth. With political attention focused on the opioid crisis, meth use is on a serious rise.