humm
Thats agood question, and my guess is that the Brazilian government will extradite the criminal, yet it is very unlikely they can find you, unless you are listed in the INTERPOL, it always comes on handy to change your name
moreover the Brazilian authorities are known for being very inefective and corrupted, so brides are very usefull
Nonetheless, all depends what type of crime you commited and who you know, diplomatic pressure is very important in this cases,
here is a list of the crimes you dont want to commit, this is an old statue so is better that you look up the new ones before doing anything.
1. Voluntary homicide, when such act is punishable in the United States of America, comprehending the crimes of poisoning and infanticide; murder; manslaughter.
2. Abortion.
3. Rape and other offences against chastity committed with violence.
4. Bigamy.
5. Abduction, willfully and wrongfully depriving any person of natural liberty.
6. Kidnapping or child stealing.
7. Arson.
8. Piracy, by statute or by the law of nations when the state in which the offender is found has no jurisdiction; revolt, or conspiracy to revolt, by two or more persons on board a ship on the high seas, against the authority of the master; to willfully and wrongfully cause shipwreck; to wrongfully and willfully collide with a vessel; to wrongfully and willfully scuttle a vessel for the purpose of sinking it; to wrongfully and willfully destroy a vessel on the high seas.
9. Wrongful and willful destruction or obstruction of railroads which endangers human life.
10. Counterfeiting, falsifying or altering money of any kind, or of legally authorized bank notes which circulate as money; to utter or to give circulation to any such counterfeited, falsified or altered money; the falsification of instruments of debt created by national, state or municipal governments, or of the coupons thereof; counterfeiting, falsifying or altering seals of the federal or state governments; to knowingly use any such instruments or papers.
11. Forgery, the utterance of forged papers; forgery or falsification of official acts of government, of public authorities, or of courts of justice, of public or private instruments; the use or the utterance of the thing forged or falsified.
12. Perjury, or to bear false witness; to suborn or bribe a witness.
13. Fraud committed by a depositor, banker, agent, broker, treasurer, director, member or employee of any company or corporation.
14. Embezzlement, consisting in the misappropriation or theft of public moneys, committed in file jurisdiction of one of the contracting parties, by a public officer or depositary.
15. Embezzlement, or theft of moneys, committed by persons salaried or employed, to the detriment of those who employ them.
16. Burglary, defined to be the act of entering during the night, by breaking or climbing, the dwelling-house of another, with intent to commit, a felony; robbery, defined to be the act of feloniously and forcibly taking from another money or goods of any value, by violence, or putting in fear, and known in the Brazilian Penal Code as roubo.
17. Complicity in or attempts at the commission of any of the crimes specified in the preceding sections, provided that such complicity or attempt be punishable by the laws of the country from whence the extradition is demanded.
http://www.yale.edu/lawweb/avalon/diplo ... azil04.htm
Did you know in Germany only born Germans are consider citizens, that is no immigrant is ever allowed to become citizen!!