>> murder suspect joran van der sloot charged in the murder of stephany flores is being held inside the infamous castro prison in peru. he reportedly fears for his life there and trying to negotiate a jail transfer. van der sloot says he'll reveal the true location of natalee holloway's body on one condition. that he be transferred to a jail in aruba but can law enforcement legally barter for that information? fox news legal analyst peter johnson jr. is here to bring it down for us. can he play that card? >> he can play that card. if people want to play with him. what he's saying is i don't want to be in lima's castro prison because i'm afraid i'll be killed there. and the peruvian prisons have been documented even by the department of state as very tough prisons where you need money. need cash money in order to subsist and sometimes even stay alive. so his thought is well, listen, if i give the 10th story i've