Parents of slain protester wants to know who killed their son . An hour later , just blocks away from Azadi square The parents say they are not satisfied with the government's response and want answers from President Barack Obama about what happened. Iranian authorities have said they are investigating .
Parents of slain protester wants to know who killed their son . The parents say they are not satisfied with the government's response and want answers from President Barack Obama about what happened. Iranian authorities have said they are investigating .