The intelligence service , headed by Fujimori 's spy chief , Vladimiro Montesinos , was accused of torture , drug trafficking and disappearances .

The head of the intelligence service under Mr. Fujimori , Vladimiro Montesinos , was accused of tortures and disappearances .

Select from the options at the end. Do the above sentences mean the same thing?
Available options:
[a]. no;
[b]. yes;
[b].