Mar 19, 2023

Inmate who escaped KC-area jail in December still missing

Posted Mar 19, 2023 11:00 AM

CASS COUNTY —The search for one of two inmates who escaped Dec. 5 from the jail in Cass County, Missouri south of Kansas City continues.

Authorities took 33-year-0ld Trevor Sparks of Kansas City into custody Dec. 30, in the 400 Block of Olive Street, according to the FBI.

The U.S. Marshals Service continues to offer a reward of up to $5,000 for information that leads directly to the capture of 43-year-old Sergio Perez- Martinez of Panorama City, Calif.  The FBI is also offering $10k for anyone who can provide information leading to his capture. 

Perez Mertinez  was being held for possession of dangerous drugs. Sparks was jailed on money laundering charges, according to the Cass County sheriff's office.

A third individual, Steven Lydell Williams, Sr., 64, Kansas City, has been charged  with aiding or assisting in the escape.

Anyone with any information is urged to contact the Cass County Sheriff’s Office at (816) 380-5200, or call 911.  Submit a tip to the Marshals here  or contact the FBI at 1-800-CALL-FBI or online at