Collin County Sheriff's Office implements policy changes after in-custody death Collin County Sheriff's Office implements policy changes after in-custody death Months after a man died in custody and just days after eight jailers were cleared of charges, the Collin County sheriff posted a lengthy list of "reforms" that include limits on restraints and new training. MCKINNEY, Texas - Months after a man died in custody and just days after eight jailers were cleared of charges, the Collin County sheriff posted a lengthy list of "reforms" that include limits on restraints and new training. Days after a Collin County grand jury declined to indict eight jailers in connection to the in-custody death of Marvin Scott III, Sheriff Jim Skinner released a lengthy outline of improvements.