Facts
The Public Prosecutor's Office of the Canton of Valais is conducting a criminal investigation against A. for intentional homicide and violations of the Road Traffic Act. He is accused of having caused a head-on collision of his passenger car with an oncoming vehicle on August 9, 2015, with suicidal intent and under the influence of drugs, and of having consciously accepted the death of the other driver.
On November 17, 2015, the Compulsory Measures Court of the Canton of Valais ordered the pretrial detention of A. On May 29, 2017, the Public Prosecutor's Office applied for a further extension of the detention by three months. The Compulsory Measures Court rejected the application for extension of detention and ordered the release from custody. The Public Prosecutor's Office appealed against this decision to the Cantonal Court, which upheld the appeal and extended the pretrial detention until September 1, 2017.
A. appealed against the decision of the Cantonal Court to the Federal Supreme Court.
Considerations
In the detention review proceedings, the Federal Supreme Court examines whether, based on the results of the investigation so far, there are sufficient concrete indications of a felony or misdemeanor and the appellant's involvement in this act, so that the criminal authorities were able to affirm the existence of an urgent suspicion with reasonable grounds.
The Federal Supreme Court considers the urgent suspicion of an intentional homicide by negligence to be fulfilled. There are concrete indications that the appellant, with suicidal intent and…