I speak Portuguese and it seems that he did not try to kill himself. It seems that there was a fight or an attempted robbery and he was shot by another armed person.
Re: Bleeding Out and Moving Arms After He Shot Himself in the Head
Either a .38 spcl Rossi or Taurus, most likely the latter, common in south amerika and Brasil. Budd Dwyer used a 357 magnum which is basically a 38 on steroids.