Meth lab seizures rose nationally again in 2011, further evidence the powerfully addictive and dangerous drug is maintaining a tight grip on the nation's heartland, according to an Associated Press survey of the nation's top meth-producing states.
Combined, the numbers indicate nationwide meth lab seizures rose at least 8.3 percent in 2011 compared with 2010.
Here is a look at the 10 states with the highest number of meth lab busts.
Oklahoma with 902
North Carolina 340
South Carolina 265
For more on the national numbers, and a close look at the possible reasons behind the high numbers in Missouri, visit http://bit.ly/x04J5f