wire transfers safe?

I just got an offer from a new (zero feedback) Audiogoner from Brazil, who wants to pay by wire transfer from a US bank account, and wants me to ship to a friend in Texas. I'm inclined to trust him, but all this gives me pause.

Anyone know whether wire transfers can be "recalled" after deposit? I wouldn't want to ship only to have the payment recalled afterwards and no recourse other than in Brazil!