OKLAHOMA CITY AP – In the largest single strike at Mexican drug operations in the U.S., authorities arrested more than 300 people in a sting that demonstrates an upstart cartel’s vast reach north of the border.

The tentacles of “La Familia” extend coast to coast and deep into America’s heartland, with arrests announced Thursday in 38 cities from Boston to Seattle and from St. Paul, Minn., to Raleigh, N.C.