memorial day weekend. this beach was packed with campers who had to be evacuated because of the oil spill. now there s a fear that this will affect much beaches, more wildlife, and more of the coastline further south. we ll keep you updated. for now, reporting for nbc news. thank you very much. we are following major breaking news from the dea, the drug enforcement administration. raided pharmacies and pain clinics in four southern states today part of this aggressive crackdown on prescription pain drug abuse. this is the largest crackdown in dea history. nbc s mark potter was there with law enforcement officials making those arrests today. he joins us on the phone now from little rock, arkansas. explain how deep and long this investigation of going. on. reporter: this investigation which is called operation pilluded, p-i-l-l, going on for 15 months. it s a serious operation. they re looking into the problem of prescription drug abuse in the south.