The Rafael Mascarenhas case refers to the accident that resulted in the murder of student and musician Rafael Mascarenhas on 20 July 2010. Son of actress Cissa Guimarães, he was run over in Gávea inside the tunnel, now called Túnel Acústico Rafael Mascarenhas, which was closed for maintenance, but there was no maintenance on that day and there were no signs from CET-Rio that the Tunnel would be closed. According to CET-Rio, the tunnel was closed only at the entrance to Favela da Rocinha, inside the Tunnel a U-turn was made through which two cars entered and one of them hit Rafael at a speed of approximately 100 km/h according to the expertise. The young man was skateboarding with two friends, in a place where the practice of the sport was also not allowed.