The agency attracted widespread criticism after it used a local doctor in Pakistan to set up a hepatitis B vaccination program in Abbottabad in 2011 to obtain DNA samples from the occupants of a compound where it was suspected bin Laden was living, hoping to obtain samples from bin Laden or his children in order to confirm his presence. It is unknown whether any useful DNA was acquired from the program, but it was deemed not successful. The doctor was later arrested and sentenced to a lengthy prison term on allegedly unrelated charges.[67] Médecins Sans Frontières criticized the CIA for endangering and undermining trust in medical workers[68] and The New York Times reported that the CIA's action had increased resistance to vaccination programs in Pakistan.[69]