Deaths in Custody
Died in jail or a lockup

John Matthew Rockwell

61 years old · died July 30, 2026 · Sedgwick County Detention Facility, Sedgwick County, Kansas

John Matthew Rockwell, 61, of Valley Center, was held at the Sedgwick County Adult Detention Facility in Kansas. He was hospitalized on July 27 with a pre-existing cardiac condition, and his condition worsened on July 28, when doctors placed him on life support. He died at a local hospital on July 30 after his family authorized removing him from life support, and the sheriff's office said it notified the Kansas Bureau of Investigation.

Cause of death, as reported: Died of illness. The sheriff's office says Rockwell had a pre-existing cardiac condition, was hospitalized on July 27, was placed on life support on July 28, and died on July 30 after his family authorized removing life support; the Kansas Bureau of Investigation was notified.

Reported by: Sedgwick County Sheriff's Office (the agency that held him); Sheriff's Department spokesman Branden Stitt (the agency that held him). The only account of how this person died comes from the agency that held him.

News reports (3)