Authorities are looking for a missing witness in a pending Missouri homicide case.

The Missouri State Highway Patrol has issued an endangered person advisory for 42-year-old Kenneth Cornwell Jr. He was last seen Tuesday in Raytown. Investigators are looking for a green 2000 Kia Spectra with Missouri license plate SR0-G3L.

Cornwell is 6 feet tall and 240 pounds. He has tattoos on both of his arms.

Police didn't immediately release any information on the homicide case in which he is a witness.

Kenneth Cornwell Jr.
Kenneth Cornwell Jr.

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