Street touts and self-styled jungle guides tend to be aggressive, and many are both irritatingly insistent and dishonest. They are working for commissions, and usually for bog-standard establishments. It is best to make your own decisions by contacting hotels, lodges and tour companies directly. Exercise particular caution around Belén, which is very poor and where petty thieving is quite common. That said, violent crime is almost unknown in Iquitos.