Authorities investigating after man dies in custody at the Collin County jail

Authorities are investigating after an inmate died at the Collin County jail.

The Collin County Sheriff’s Office said Monday that Marvin David Scott III, 26, died Sunday while he was in custody after his arrest earlier in the day by Allen police on a marijuana possession charge. His cause of death has not been released.

The Texas Rangers are investigating Scott’s death.

Seven detention employees were placed on routine administrative leave as a result of the death, and the sheriff’s office is also conducting an internal investigation.