Find out how to report crimes in Paraná A man was arrested on Friday afternoon (10) suspected of extorting his own brother in Ponta Grossa, in Campos Gerais do Paraná. According to the Civil Police, the victim began receiving serious threats via cell phone messages. In them, the criminals said they were part of a criminal faction and demanded R$30,000 to avoid committing an attack on the victim's family. The situation worsened after death threats began to be directed against the victim's 6-year-old grandson. "Terrified by the risk of his grandson being attacked, the victim ended up complying with the criminals' demands", explains police chief Luís Gustavo Timossi. ? Follow the g1 PR channel on WhatsApp After negotiations, the criminals reduced the value to R$10,000. Out of fear, the victim took out a loan, kept the money in a bag and handed it to the criminals at the gate of the house. The suspects took the package and fled in a car. The Civil Police began investigating the case after receiving an anonymous tip. With the support of security camera images and information from witnesses, the car used by the criminals was identified. From this, the corporation managed to retrace the route taken by the suspects and identified that they fled towards the north of Paraná. After calling other police forces, the Military Police located the vehicle in a commercial establishment in the city of Imbaú and the two criminals were arrested in the act. Among them was the victim's brother, who was serving his sentence under electronic ankle bracelet monitoring. R$7,900 in cash were recovered from them and two cell phones were seized. A technical test carried out at the police station proved that one of the devices seized was exactly the cell phone used to carry out the extortion. Man receives messages with threats against his family, pays R$10,000 to criminals and discovers that he was extorted by his own brother, in PR PCPR Given the evidence, one of the suspects confessed to the crime and confirmed to the police that the victim's brother planned the action, using intimate family information to structure the threats. Both were arrested. The names of those involved were not disclosed. Investigations continue to identify a third suspect involved in the crime. READ ALSO: Crime: Teenager discovers that mother ordered murder of woman and alerts victim Politics: Document sent by deputy used 'hidden code' to induce distribution of case in the Court of Auditors Video: Child attacked by father with kick 'it's fine', says deputy VIDEOS: Most watched on g1 Paraná Read more news on g1 Paraná.