FBI : Attorney General Eric Peterson says enough evidence existed to start a criminal investigation . `` What is happening in the Gulf -- eleven people dead , and an entire ecosystem and the jobs that depend on it at risk NEW : President lauds criminal investigation launched by Department of Justice . EPA looking into potential violations of Clean Water Act , Oil Pollution Act of 1990 and other laws . EPA visits Gulf Coast on Tuesday to investigate BP oil spill .
FBI : Attorney General Eric Peterson says enough evidence existed to start a criminal investigation . NEW : President lauds criminal investigation launched by Department of Justice . EPA looking into potential violations of Clean Water Act , Oil Pollution Act of 1990 and other laws . EPA visits Gulf Coast on Tuesday to investigate BP oil spill .