SOUTH ST. LOUIS COUNTY, MO (KTVI)– The Walmart on Telegraph Road at I-255 was evacuated for close to three hours Thursday night after a shoplifter was caught with a portable meth lab that was actually cooking the volatile drug in her purse. Quick thinking cops may have prevented a bad situation from being much worse. Police say it was about 6:30pm when they received the call about the couple shoplifting. Beat cops arrived to make the arrests with little thought of drugs. Police say A 32-year-old woman had stolen a purse and was filling it with cosmetics. But when they...