the bureau of prisons said it launched an investigation into martin shkreli's famously known as pharma bro after "the wall street journal reported the allegations earlier this week. shkreli is currently serving a seven year sentence for defrauding investors. here is polo sandoval with the latest. >> reporter: pharma bro, martin shkreli may still be at it, running his pharmaceutical company from his prison cell in new jersey. thursday, "the wall street journal" reported shkreli was using a contraband cell phone to continue heading the drug company that once earned him the title of most hated man in america. as the ceo of phoenix's ag in 2015, known as turing pharmaceuticals at the time, shkreli surged the price of a life saving drug used to treat aids patients by 5,000%, the price hike sparked public outrage and series of inquiries