Headhack Please?

Can someone headhack the citizen_9 (medic)onto Barney’s body and hex it.

http://filesmelt.com/dl/gm_construct001422.jpg

I can skin it myself (keep the default metrocop texture and his face of course) I’ve had an idea for something like this for a while but I don’t have any good programs to model.
(please don’t give me any programs to model with right now I wanted a model like this and i’ll find my own :D)